Which option identifies the best action to take in the following scenario?
As Phil begins working, he notices the blade of his circular saw is dull.
O He should apply more pressure.
He should clean the material.
He should use a new blade.
O He should heat the blade.

Answers

Answer 1
He should use a new blade! You should never use a dull blade! It’s more likely for you to cut yourself!

Related Questions

Order these bodies from our Solar System in order from the center to the outside.
HURRY!! WILL GIVE BRAINLIEST ASAP​

Order these bodies from our Solar System in order from the center to the outside. HURRY!! WILL GIVE BRAINLIEST

Answers

Answer:

hello

1 sun

2 mercury

3 venus

4 earth

5 mars

6 astroid belt

7 jupiter

8 saturn

9 uranus

10 neptune

good luck!!

PLS HELP !!! DUE TONIGHT AT MIDNIGHT

PLS HELP !!! DUE TONIGHT AT MIDNIGHT
PLS HELP !!! DUE TONIGHT AT MIDNIGHT

Answers

Before designing a solution to protect an estuary, the conservation group should gather the following two pieces of information: Ecological Characteristics, and Threat Assessment.

1. Ecological Characteristics: The conservation group needs to understand the specific ecological characteristics of the estuary.

This includes information such as the biodiversity present, the types of habitats within the estuary, and the species that rely on the estuary for their survival.

2. Threat Assessment: It is crucial for the conservation group to assess the specific threats that the estuary is facing. This includes evaluating the extent and impact of invasive species.

The existing human structures or activities that are affecting the estuary, the level of pollution and its sources, and the potential consequences of climate change on the estuary's ecosystem.

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Water transport is the primary function of which cell type?.

Answers

the answer is: tracheids (hope this helped!)

Groundwater is taken up through a tree's roots so the tree can grow. Which sequence correctly
shows how the water the plant is using will cycle though the water cycle and become groundwater
again?
respiration → condensation → precipitation → groundwater
condensation precipitation groundwater → transpiration
transpiration → condensation → precipitation → groundwater
condensation → precipitation → groundwater → respiration

Answers

Answer:

condensation, precipitation, groundwater → transpiration

Explanation:

I hope it will help you

which of the following comparisons or contrasts between endergonic and exergonic reactions is false?

Answers

The endergonic reactions takes place slowly, exergonic reactions takes place quickly.

What is endergonic reactions?

Any reaction that needs free energy to proceed is said to be endergonic. The biologically significant endergonic reaction of photosynthesis is one such instance. In order to promote the conversion of glucose from carbon dioxide and oxygen from water, photosynthetic organisms use sun photons.

What is exergonic reactions?

Exergonic reactions produce simpler, lower energy products by releasing the energy trapped in the reactants.

Exergonic reactions happen quickly while endergonic reactions happen slowly.

Therefore, endergonic reactions takes place slowly, exergonic reactions takes place quickly.

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) You've processed two samples using an LDPSA and the grain size histograms are below. Describe the two samples in terms of predominant grain size (sand, silt, clay), sorting, and maturity. Based on this information, which one came from a beach and which one came from a river, and why?

Answers

Sample 1 likely came from a beach due to its dominance of sand, moderate sorting, and absence of silt and clay. Sample 2 likely originated from a river due to its fine-grained nature, poor sorting, and inclusion of silt and clay fractions.

Sample 1: The histogram for Sample 1 shows a predominant grain size in the sand range, with minimal representation of silt and clay. The distribution appears moderately sorted, with a narrow peak in the sand fraction. This suggests that Sample 1 likely originated from a beach environment. The dominance of sand indicates a coarse-grained sediment, typically found on beaches due to wave action. The moderate sorting implies moderate energy conditions at the beach, allowing for some sorting but not complete separation of grain sizes. The absence of significant silt and clay fractions suggests limited transportation and deposition in a marine setting.

Sample 2: The histogram for Sample 2 exhibits a broader distribution of grain sizes, including significant representation of silt and clay fractions. This indicates a fine-grained sediment. The distribution is poorly sorted, with no distinct peak or dominant grain size. These characteristics suggest Sample 2 likely originated from a river environment. Rivers transport and deposit sediments from various sources, resulting in a mixture of grain sizes. The presence of silt and clay suggests longer transportation distances and lower energy conditions compared to beach environments. Poor sorting indicates minimal sorting and mixing of sediments, as seen in river systems.

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write the conditions of implementing the green house strategies

Answers

Answer:

Explanation:

A greenhouse (also called a glasshouse, or, if with sufficient heating, a hothouse) is a structure with walls and roof made chiefly of transparent material, such as glass, in which plants requiring regulated climatic conditions are grown.[1] These structures range in size from small sheds to industrial-sized buildings. A miniature greenhouse is known as a cold frame. The interior of a greenhouse exposed to sunlight becomes significantly warmer than the external temperature, protecting its contents in cold weather.[2]

Many commercial glass greenhouses or hothouses are high tech production facilities for vegetables, flowers or fruits. The glass greenhouses are filled with equipment including screening installations, heating, cooling, lighting, and may be controlled by a computer to optimize conditions for plant growth. Different techniques are then used to evaluate optimality degrees and comfort ratio of greenhouses, such as air temperature, relative humidity and vapour-pressure deficit, in order to reduce production risk prior to cultivation of a specific crop.

Answer:

A greenhouse (also called a glasshouse, or, if with sufficient heating, a hothouse) is a structure with walls and roof made chiefly of transparent material, such as glass, in which plants requiring regulated climatic conditions are grown.[1] These structures range in size from small sheds to industrial-sized buildings. A miniature greenhouse is known as a cold frame. The interior of a greenhouse exposed to sunlight becomes significantly warmer than the external temperature, protecting its contents in cold weather.[2]

Many commercial glass greenhouses or hothouses are high tech production facilities for vegetables, flowers or fruits. The glass greenhouses are filled with equipment including screening installations, heating, cooling, lighting, and may be controlled by a computer to optimize conditions for plant growth. Different techniques are then used to evaluate optimality degrees and comfort ratio of greenhouses, such as air temperature, relative humidity and vapour-pressure deficit, in order to reduce production risk prior to cultivation of a specific crop.

Hope this helps, have a great day and stay safe!

The cells in a certain part of a plant form tubes. What is the most likely
function of these specialized cells?

A. Reproduction of plant cells
B. Locomotion

C. Transportation of water and nutrients

D. Photosynthesis

The cells in a certain part of a plant form tubes. What is the most likelyfunction of these specialized

Answers

C. So it can travel from one part to another
These tubes are xylem and phloem which help in the transportation of water and nutrients as well as the transport of food so C

If temperature increases, then the dew point will increase/decrease.

Answers

Dew Point. Just as increasing the temperature decreases relative humidity, decreasing the temperature increases the relative humidity.

4. Identify the adverbial clause in the sentence below.
When a starfish captures an oyster, the starfish wraps its arms around the oyster.
Owraps its arms around the oyster.
OWhen a starfish captures an oyster,
O around the oyster.
O captures an oyster,
(1 point,

Answers

'When a starfish captures an oyster,' says the adverbial clause in the given sentence.

What do you mean by an oyster?

An oyster is a type of mollusk that lives in salt water and is known for its pearl-producing capabilities. Oysters are filter feeders and are an important part of many marine ecosystems.

An adverbial clause is a dependent clause that modifies a verb, an adjective, or an adverb by providing additional information about time, place, degree, manner, cause, or condition. In the sentence 'when a starfish captures an oyster, the starfish wraps its arms around the oyster', the adverbial clause is 'when a starfish captures an oyster', which provides information about the condition under which the action of the main clause takes place.

Hence, option B is correct.

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What are two external conditions that must be
met for a seed to sprout?

Answers

Answer:

Temperature, water and oxygen.

Explanation:

There are 3 answers yes, but any 2 of them should work.

Answer:

I will give all the external conditions, you can choose 2 of them <3

Explanation:

All seeds need water, oxygen, and proper temperature in order to germinate. Some seeds require proper light also. Some germinate better in full light while others require darkness to germinate. When a seed is exposed to the proper conditions, water and oxygen are taken in through the seed coat.

I suggest you choose water and oxygen

Have a great day!

Can you please watch and answer how you feel after? Its about the ocean it a trick the human mind plays. It will be in the comments! Erase spaces!

Answers

Watch what..............??

Answer:

Sorry, what video? I don't see any video.

Explanation:

Anyways, the ocean is quite precious and there are many documentarys that show that. I love the marine life!

Can small changes in just one part of the climate system have a global impact? Find what you believe to be evidence of a small change in your regional climate system. Could this have a global impact? Support your opinion using specific examples and evidence from a local news article or video and post with your discussion.

Answers

Yes, small changes in just one part of the climate system can have a global impact. For example, the melting of Arctic sea ice has the potential to impact global weather patterns and ocean currents, as well as to release methane gas from the seafloor, which is a potent greenhouse gas.

One example of a small change in a regional climate system that could have a global impact is the melting of glaciers in the Himalayas. According to a news article from the BBC, glaciers in the region are melting at an unprecedented rate due to rising temperatures. This is having a number of impacts, including changes in water availability and increased flooding risk in nearby regions.

However, the melting of glaciers in the Himalayas is also causing sea levels to rise around the world, as the meltwater flows into the oceans. This can have significant impacts on low-lying coastal regions, including increased risk of flooding and erosion, as well as impacts on ecosystems and human communities.

Overall, small changes in regional climate systems can have far-reaching impacts on the global climate, highlighting the importance of addressing climate change at both the local and global levels.

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Explain why the null hypothesis Upper H 0 : mu 1 equals mu 2 is equivalent to the null hypothesis Upper H 0 : mu 1 minus mu 2 equals 0. Choose the correct answer below. A. They are equivalent through algebraic manipulation. B. They are equivalent because the null​ hypothesis, Upper H 0​, is always assumed to be true. C. By​definition, the null hypothesis is always equal to 0.​ Therefore, these hypotheses are equivalent. D. The values of mu 1 and mu 2 are equivalent in every population.​ Therefore, these hypotheses are equivalent.

Answers

The null hypothesis Upper H0: μ1 = μ2 is equivalent to the null hypothesis Upper H0: μ1 − μ2 = 0 because they are equivalent through algebraic manipulation (Option A).

A null hypothesis is a hypothesis that is tested for possible rejection under the assumption that it is true. It is generally denoted by H0. A null hypothesis usually states that the two populations under consideration are the same or equal.

Algebraic manipulation is the technique of manipulating algebraic expressions to simplify or prove a mathematical relationship. The null hypothesis Upper H0: μ1 = μ2 can be transformed by subtracting one population mean from the other to get H0: μ1 − μ2 = 0. So the null hypothesis Upper H0: μ1 = μ2 is equivalent to the null hypothesis Upper H0: μ1 − μ2 = 0.

Thus, the correct option is A.

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Which movement of particles would be most affected by a disorder that causes damage to carrier proteins? osmosis passive transport active transport diffusion

Answers

Answer: Active Transport

Explanation: Active transport is the movement of a substance (proteins, enzymes, etc.) from one area of the cell membrane to the next during diffusion, so this would most be affected due to the kinds of substances being transported across the cell membrane and damage can have an impact.

Carrier proteins are involved in active transport. The movement of particles that would be most affected by a disorder that causes damage to carrier proteins is active transport. Option C.

What are the carrier proteins?

Carrier proteins are transmembrane molecules involved in active transport.

They carry molecules from one side of the membrane to the other side.

What is active transport?

Active transport acts against the electrochemical gradient, so it does need the energy to transport substances.

It carries molecules from a low concentration side to a high concentration side.

The used energy comes from ATP (Na-K bomb) or the membrane's electric potential.

The movement of particles that would be most affected by a disorder that causes damage to carrier proteins is active transport. Option C.

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List 4 differences between Archaebacteria and Eubacteria.

Answers

Answer:

Archaebacteria can survive in extreme conditions, Archaebacteria are usually  found in harsh climates

:)

Which combination of particle and charge is correct?

A) proton: positive charge
B) electron: no charge
C) neutron: negative charge
D) proton: negative charge

Answers

A) proton: positive charge

The Gulf Coast Toad, Mexican Treefrog, and Couches Spadefoot Toad are all common species of amphibians found in the central Texas area. Why is having a scientific name for each one important? a. If some of these go extinct due to climate change their names will not have to be changed. b. It allows all organisms to be placed into several varieties of taxonomic ranks. c. To make naming and grouping of all organisms standard across the world. d. If new amphibians are found the current taxonomic rank will not have to change.

Answers

Answer:

b. It allows all organisms to be placed into several varieties of taxonomic ranks.

Explanation:

A scientific name is important for every species because it helps to avoid confusion created by common names of two or more species or organisms. In every region there is a name for an organism which causes problem so the scientists suggest that there must be a naming system which is used all over the world so they choose a dead language to giving scientific names to the organisms present all over the world for easily recognition.

Small insects can walk across the surface of calm water. Their feet push the surface of the water down slightly, somewhat like a person walking across a trampoline, but they do not break the surface. What is the best explanation for why this happens

Answers

Answer:

Explanation:

Molecules within a liquid are pulled in all directions by intermolecular forces; there is no tendency for them to be pulled in any one way. However, molecules at the surface are pulled downward and sideways by other molecules, but not upward away from the surface. These intermolecular attractions thus tend to pull the molecules into the liquid and cause the surface to tighten like an elastic film.

A measure of the elastic force in the surface of a liquid is surface tension. The surface tension is the amount of energy required to stretch or increase the surface of a liquid by a unit area.  Surface tension enables small insects, like the water strider, to “walk” on water.

Small insects can walk across the surface of calm water. Their feet push the surface of the water down

Study the graph above. What does this graph suggest about the relationship between human population and extinction rate
A)
As human population increases, extinction rates also increase.
B)
Human population is increasing, while extinction rates are decreasing.
C)
In order for the extinction rate to slow, the human population must
increase
D)
There is an inverse relationship between human population and extinction
rates.​

Study the graph above. What does this graph suggest about the relationship between human population and

Answers

Answer:

A

Explanation:

as human population increases so does extinction

The graph shows that there is a direct correlation between the human population and the extinction rate.

Graphical Illustration

From the graph, as the population of humans increases, the extinction rate also increases. Similarly, a decrease in the human population also results in a decrease in the extinction rate.

Thus, it can be concluded that there is a direct correlation between the population of humans and the extinction rate as far as the graph is concerned.

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The inheritance pattern for an autosomal dominant trait is shown in the pedigree Shaded symbols represent individuals that express the dominant trait Pedigree.Shaded symbois represent individuals that represents that express the dominant trait

Based on this pedigree,what are the most likely genotypes of individuals l-1 and l-2

A. l-1:aa
l-2:Aa

B. l-1:AA
l-2:Aa

C. l-1:Aa
l-2:aa

D. l-1:aa
|-2:AA

The inheritance pattern for an autosomal dominant trait is shown in the pedigree Shaded symbols represent

Answers

Answer:the answer is c

Explanation:

And for biology to find answers download quizzes or socratic it helps you find the answers for problems like this fyi♥︎

The genotype of the individuals I-1 and that of I-2 are Aa and aa, respectively. The inheritance shows autosomal dominant trait and thus the individuals which are homozygous recessive are unaffected. Thus, the correct option is C.

What is Pedigree analysis?

Pedigree analysis is used to understand the inheritance of genes from the parents to offspring. Pedigree was developed as a chart which can represent a family tree along with the family members in the order starting the top with the eldest and goes down with the latest generation downwards and shows their genetic traits, respectively.

The given inheritance pattern shows an autosomal dominant trait, the shaded symbols are the affected ones and the white symbols are unaffected.

The I-1 and I-2 are shown with a shaded symbol and a white symbol, respectively.

I-1 is affected thus, it contains the dominant allele and it can be either Aa or AA.

I-2 is unaffected thus, it contains only the recessive alleles. Therefore, the genotype will be aa.

Therefore, the correct option is C.

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1 .Which of the following types of garden is illustrated in the picture above?
a. Sakuteiki
b. karesansui
c. roji
d. temple garden

1 .Which of the following types of garden is illustrated in the picture above?a. Sakuteikib. karesansuic.

Answers

I think it’s a Roji because it looks infested

A person is reading a book in a shaded area. The person then looks up and observes an eagle flying in the
bright sky at a distance. Explain the changes that occur in the pupil and the lens of the eye.

Answers

Answer:

When the person looks up to observe the eagle, the pupil of the eye will constrict in order to reduce the amount of light entering the eye. This is done to protect the retina from being overexposed to bright light. At the same time, the lens of the eye will become more curved in order to focus on the distant object. This process is known as accommodation and allows the person to see clearly.

Explanation:

Answer:

When a person looks up from reading a book in a shaded area to observe an eagle flying in the bright sky at a distance, several changes occur in the pupil and the lens of the eye in order to allow for clear vision of the distant object.

The pupil, which is the opening in the center of the iris that regulates the amount of light that enters the eye, will begin to constrict in response to the increased amount of light entering the eye. This is due to the action of the iris muscles, which cause the pupil to become smaller in bright light and larger in dim light. The smaller pupil size helps to reduce the amount of light entering the eye, thereby preventing an excessive amount of light from reaching the sensitive retina at the back of the eye.

Additionally, the lens of the eye will begin to change shape in order to focus the light from the distant object onto the retina. The lens is made up of elastic tissue and is attached to muscles that can change its shape. When we look at distant objects, the ciliary muscles in the eye relax, causing the lens to become flatter and thinner. This change in shape allows the lens to refract the incoming light at a greater angle, which helps to focus the light onto the retina and produce a clear image of the distant object.

Overall, the changes in the pupil and the lens of the eye work together to adjust the amount of light entering the eye and focus the light onto the retina, allowing for clear vision of distant objects.

1) How is nondisjunction related to Down syndrome and other abnormal chromosome numbers?

2) State the differences between DNA and RNA

Pleaaseeee helllpppp :(((

Answers

1. Down syndrome is usually caused by an error in cell division called “nondisjunction.” Nondisjunction results in an embryo with three copies of chromosome 21 instead of the usual two. Prior to or at conception, a pair of 21st chromosomes in either the sperm or the egg fails to separate.


2. DNA contains the sugar deoxyribose, while RNA contains the sugar ribose.


DNA is a double-stranded molecule, while RNA is a single-stranded molecule.

Choose either one ^^^

Hope this helps you.

What do trees, seaweed, snails, and giraffes all have in common?


Help asap

Answers

Answer:

They are all living organisms

Explanation:

All flora and fauna life on Earth is alive, they all accomplish different tasks throughout their lives, and have different roles throughout an ecosystem's food chain.

Answer:

the largest of all the ecosystems, oceans are very large bodies of water that dominate the Earth's surface. Like ponds and lakes, the ocean regions are separated into separate zones: intertidal, pelagic, abyssal, and benthic. All four zones have a great diversity of species. Some say that the ocean contains the richest diversity of species even though it contains fewer species than there are on land. The intertidal zone is where the ocean meets the land — sometimes it is submerged and at other times exposed, as waves and

Explanation:

They have excellent eyesight, and when one giraffe stares, for example, at a lion a kilometre away, the others look in that direction too. Giraffes live up to 26 years in the wild and slightly longer in captivity.

Insects have a pair of ________ to feel and sense things​

Answers

Insects have a pair of antennae to feel and sense things.

Hope this helps✨❤️

what might be a symptom of a person whose vein valves are not functioning properly and causing fluid to flow away from the heart?

Answers

Answer:I can I get brain ly ess

Explanation:

Valvular regurgitation may be also called “leaky valve.” It occurs when any of the heart valves doesn't close properly, causing blood to flow backward. The symptoms can include: shortness of breath. a cough.

which of the following is caused by acetylcholine? hyperpolarization of the sinoatrial node depolarization of the atrioventricular node decreased permeability of the sinoatrial node to potassium ions increased heart rate increased permeability of the cardiac muscle to calcium ions

Answers

Acetylcholine is responsible for the hyperpolarization of the sinoatrial node.

The definition of hyperpolarization?

At a specific location on the neuron's membrane, hyperpolarization occurs when the membrane potential increases, and depolarization occurs when the membrane potential decreases (more positive).

Explain the membrane of a neuron:

Most activities involved in maintaining and functioning of neurons are started at the neuronal membrane. Membrane-related molecular agents, which interact in protein/lipid clusters to start molecular processing and signal transduction, are required for these processes.

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johannes scotus eriugena believed that adam and eve:

Answers

Johannes Scotus Eriugena was a medieval philosopher and theologian known for his work on Christian theology and philosophy.

Regarding Adam and Eve, Eriugena held a unique perspective influenced by Neoplatonic and Christian thought. He proposed a theological interpretation known as "cosmic theophany."

According to Eriugena, Adam and Eve symbolize the archetypal human nature rather than literal historical individuals. He viewed them as representing the universal human soul, which encompassed both male and female aspects.

For Eriugena, Adam represents the intellect or the spiritual aspect of humanity, while Eve symbolizes the sensory or corporeal aspect.

Eriugena's interpretation emphasizes the divine origins of humanity and the potential for spiritual growth and union with God.

He saw the story of Adam and Eve as an allegory highlighting the human journey from unity with God to separation and the subsequent path of restoration and reconciliation.

Eriugena's ideas on Adam and Eve demonstrate his inclination towards mystical and symbolic interpretations of biblical narratives, seeking to reconcile Christian theology with philosophical concepts of his time.

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its sicence Help asapp will give brainlyist A car traveling 20 m/s has a mass of 1,800 kg. What is its momentum? Show your work and include units.

Answers

The momentum will be 36000kg-m/s as the car is traveling 20 m/s has a mass of 1,800 kg.

What is momentum?

In Newtonian mechanics, momentum is calculated as the sum of an object's mass and velocity. It has both a magnitude and a direction, making it a vector quantity.

Mass in motion is quantified by momentum, which is the measure of how much mass is moving. Typically, it is denoted by the letter p.

We know that,

Momentum (p) = mass x velocity.

Here, it is given that,

Mass = 1800 kg

Velocity = 20 m/s

So,

p = 1800 x 20

p = 36000 kg-m/s

Thus, the momentum of the car will be 36000 kg-m/s.

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The density of aluminum is 2.7 g/cm3. what is the density in kilograms per cubic meter? A world class sprinter ran 200 m in 22.75s. What was her average speed?m/sEnter a number. ideas for capital investment should come from the engineering and sales departments rather than from the finance department. True or False please answer all if possible, need to check my work thankyou!!O Which of the following are found in the peripheral nervous system? Onuclel (aggregation of nerve cell bodies) satellite cells O O tracts ependymal cells microglial cells QUESTION 2 Which statement b What are the eight large, round bodies in the solar system that orbit, or revolve, around the sun and are usually ordered according to their distances from the sun? Asteroids Galaxies Moons Planets Marcus is reading a biography about a famous jazz musician. He decides he'd like to write a longer narrative poem about the musician's life that rhymes. Which poetic form best suits his purpose? A Ballad B Haiku C Free verse D Limerick In March 2017, in the economy of Essay Island, 99,066 people were employed, 1,060 were unemployed and 48,473 were not in the labour force. During April 2017, 73 people lost their jobs and didnt look for new ones. 699 people quit their jobs and retired, 106 unemployed people were hired, 3,150 people entered the labour force to look for work of which half of them had jobs. a. Calculate for March 2017 i. The unemployment rate ii. The employment-to-population ratio b. And calculate for the end of April 2017 i. The number of people unemployed ii. The number of people employed Secondary consumers are: (a) Herbivores; (b) Producers; (c) Carnivores; (d) None of these solve pls brainliest two developments that helped ease the struggle of finding food during ancient times Using separation of variables technique, solve the following differential equation with initial condition dy/dx=(yx+5x)/((x^2)+1) and y(3)=5? help me work through the steps? Show your work please help me please Which of the following would make the oxygen-hemoglobin curve shift right?A) increased H+ concentrationB) increased pHC) decreased temperatureD) decreased CO2E) None of the answers are correct A current of 5 A passes through a variable resistor set to 15 . Calculate the voltage Problem 6. [10 pts] A gardener wants to add mulch to a bed in his garden. The bed is 60 feet long by 30 feet wide. The gardener wants the mulch to be 4 inches deep, how many cubic yards of mulch does the gardener need? [1 foot = 12 inches 1 cubic yard = 27 cubic feet] Problem 7. [10 pts]. Inflation is causing prices to rise according to the exponential growth model with a growth rate of 3.2%. For the item that costs $540 in 2017, what will be the price in 2018? a k out of n system is one in which there is a group of n components, and the system will function if at least k of the components function. assume the components function independently of one another. in a 3 out of 5 system, each component has probability 0.9 of functioning. what is the probability the system will function? round your answer to four decimal places. What does it mean for a virus to "infect" a cell?Tir11The virus lands on the outside of the cell and remains there until the cell produces more viruses.The virus lands on the outside of the cell and eats proteins on the surface of the cell.The virus lands on the outside of the cell and injects its genetic material into the cell.The virus lands on the outside of the cell and injects its proteins into the cell. Backward recovery starts wEfficient database structures will be beneficial only if queries and the underlying database management system are tuned to properly use the structures. True Falseith an earlier copy of the database. True False In which of the following cases will the circular flow model contract? a Injections > leakages b leakages = injections c expenditure < output d expenditure > output Subnet the following IP address for 2000 networks. Complete the table with the information for the first four newly created subnets. 10.0.0.0 New Subnet Mask 255.255.224.0Hosts per Subnet 8190 Subnet Address First Available IP Last Available IP Broadcast