Suppose you want to investigate whether the type of music
students listen to while studying can affect their test
scores.
Which statement represents a valid hypothesis about music and studying?
OA. If you listen to calming music while you study, then you are more
likely to feel calm during the test.
B. Does the type of music played while studying affect test
performance?
C. Students who listen to music with faster beats while studying
perform better on tests.
D. Most people prefer pop or jazz music when studying for a test.

Answers

Answer 1

Answer: C because it is a testable hypothesis. For instance you could only listen to one genre for a term and another for the next term and then compare your scores.

Explanation: A is incorrect because you can not test a feeling like how calm you are.


Related Questions

hey guys i found this bug inside my house and i have no clue what it is any help? i get a couple of them every month

hey guys i found this bug inside my house and i have no clue what it is any help? i get a couple of them

Answers

Answer:

Oh I see those in my house too. they freak me out like what if they are in my bed

Explanation:

.

Question 1 of 10
Consider the overall shape of these cells
Which geometric shape is the best model for these cells?
A Asphere with a large diameter
B A cube
c Afat rounds
D A rectangular solid

Question 1 of 10Consider the overall shape of these cellsWhich geometric shape is the best model for

Answers

It is B a cube is the answer

What is the nature of the majority of the water on Earth?
A: underground
B: fresh
C: in lakes
D: salty

Answers

Answer:

D: salty

Explanation:

The Majority of the earth is made of the ocean

i'm not sure this is correct tho

Answer:

D

Explanation:

Majority of Earth's water is in oceans, oceans contain salt water.

Describe the mechanism of glycolysis in detail

Answers

The process of Glycolysis is a catabolic process  in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .

Mechanism Of Glycolysis

The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol

Preparatory phase refers to the  generation of two molecules of  glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .

Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate  .

Both the phases of glycolysis takes place in the cytoplasm and there are  three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .

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what characteristics do bacteria have and whats its role

Answers

Answer:

good luck i don't know too

PLS HELP
John is hiking and notices a small stream of water flowing down the side of the mountain. What part of the water cycle is John observing?

Runoff
Evaporation
Condensation
Precipitation

Answers

Answer:

John is observing runoff.

Explanation:

In the water cycle, runoff is the flow of water that occurs when excess water from rain, snowmelt, or other sources flows over the land surface and into streams, rivers, and other bodies of water. It is a key part of the water cycle because it moves water from the land to surface water bodies, where it can continue its journey through the cycle. So, in this scenario, John is observing runoff as he is seeing water flowing down the side of the mountain.

solve please
biology ​

solve please biology

Answers

Answer:

xxx search kar milega answer

I’m having trouble with the question can someone help

Im having trouble with the question can someone help

Answers

Answer:

ans: B

Explanation:

a grp of cell is tissue

a grp of tissue is organ

a grp of organs are organ system

a grp of oragan system is organism

2. What nutrients do you need to stay alive? How do you obtain them?

Answers

Answer:

Explanation:Plants and other autotrophs absorb nutrients from soil and water. Autotrophs are organisms that can make their own food. The most important nutrients they need are carbon, hydrogen, and oxygen. Other nutrients needed by plants are nitrogen, phosphorous, potassium, calcium, magnesium, and sulfur.

Answer:

Protein, Carbs, Fats, Vitamins, Minerals, Water

Explanation:

Protein is gained from meat (occasionally)

Water is self explanatory

Minerals can be gained from eating, drinking, and anything really

Fats are gained from foods with fat (obviously) and juicy foods like steak.

Vitamins are gained from eating certain things like an orange or even from the sun.

Carbs can be gained from food such as bread, beans, spaghetti..

hope this helped

2. dependence problems.
narcotic
illegal drug

Answers

narcotic are illegal drugs is a true statement.

Option A is correct

What are narcotic?

The term narcotic originally referred medically to any psychoactive compound with numbing or paralyzing properties

Chemicals with an intense physiological effect, such as drugs and psychoactive chemicals, modify brain function and momentarily affect perception, mood, and feelings.

Due to their detrimental effects on the body and human health, drugs are outlawed in the majority of nations around the world. Heroin and cocaine, which are deadly narcotics, cause the most severe addiction.

Drug dependence results in both physical and mental dependence.

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Complete question:

. Narcotics are illegal drugs

A. O True

B. O False


5. According to a biomass pyramid, 50 mice will need 200 square meters of grass, if one mouse needs to eat four square meters of
grass to stay healthy.
O false
O true
X
6. According to a biomass pyramid, if one snake needs to eat ten mice to stay healthy, ten snakes need 90 mice to eat.
false
O true

HURRRRYYYp

Answers

Answer:

The first statement is true, while the second statement is false.

Explanation:

Every living organism needs a particular amount of food in order to be able to survive. Each species though has its own different requirements, and there are great variations that occur because of size, lifestyle, is the organism cold-blooded or warm-blooded, etc.

In this case, we have to examples. In the first one, a single mouse needs 4 square meters of grass in order to stay healthy. In order to get the amount of grass needed for fifty mice, we just need to multiply the number of mice by the amount of grass needed for one of them:

50 x 4 = 200

We got 200, meaning that 200 square meters of grass will support a population of 50 mice.

In the other case, a single snake needs 10 mice in order to stay healthy. To get a result how many mice are needed for 10 snakes, again we just need to multiply the number of snakes by the number of mice a single snake needs:

10 x 10 = 100

We got 100, meaning that 10 snakes need 100 mice in order to stay healthy.

what is autotroph class 7
answer in 5 sentences

pls I need answer ASAP

Whoever answers will be marked brainliest ​

Answers

In biology, autotrophs are organisms that can produce their own food using inorganic substances, such as sunlight and carbon dioxide.

How do we explain?

Autotrophs  are also known as primary producers because they form the base of the food chain by converting energy from the environment into organic compounds.

The topic of autotrophs is typically covered in the study of plant biology in the context of a class 7 curriculum.

The most prevalent kind of autotrophs are plants. They do this through a process known as photosynthesis, which turns carbon dioxide, water, and sunlight into glucose (a sugar) and oxygen.

Chloroplasts, specialized organelles found in plant cells, are where this process occurs.

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which insect is recognized by nod like receptors?

Answers

Answer:

It is used for detecting bacteria

Copper wire is used to transfer electricity

Answers

Answer:

couper wire is used to transmit electricity because it is a good conductor of electricity.

i need help how to hide 15 bodies

Answers

Answer: Big hole in backyard

Explanation: dig big hole in backyard, put bodies in said hole, and put a few deer in hole so it will cover the smell from police dogs if police is called on you.

Answer: should i call the cops

Explanation:

The table lists fossil fuel production as a percentage of total energy production for
selected years. A linear regression model for this data is
y=-0.36x+96.4
where x represents years after 1960 and y represents the corresponding percentage of
oil imports.
Year
1960
1970
1980
1990
2000
Fossil Fuel Production
Production (%)
88588
96
95
87
83
GITTE
(A Interpret the slope of the model.
The rate of change of the percentage of oil imports with respect to time is
per year.
(B) Use the model to predict fossil fuel production in 2010.
In 2010 fossil fuel production as a percentage of total production will be about
(Round to one decimal place as needed.)
(C) Use the model to estimate the year in which fossil fuel production will fall
below 70% of total energy production.
In the year fossil fuel production is expected to fall below 70% of total energy
production.
(Round up to the nearest year.)

Answers

In the table of fossil fuel production, (A) The slope of the model is -0.36, indicating a decrease of 0.36% in the percentage of fossil fuel production. (B) Fossil fuel production in 2010: 78.4%. (C) Year fossil fuel production falls below 70%: 2033.

(A) The slope of the model is -0.36, which means that for every year after 1960, there is a decrease of 0.36% in the percentage of fossil fuel production as a share of total energy production. This indicates a declining trend in the reliance on fossil fuels for energy production over time.

(B) To predict fossil fuel production in 2010, we need to substitute x=50 (since 2010 is 50 years after 1960) into the regression equation:

y=-0.36x+96.4

y=-0.36(50)+96.4

y=78.4

Therefore, in 2010, fossil fuel production as a percentage of total production is predicted to be about 78.4%.

(C) To estimate the year in which fossil fuel production will fall below 70% of total energy production, we need to solve for x when y=70:

70=-0.36x+96.4

-0.36x=-26.4

x=73.3

So the year fossil fuel production is expected to fall below 70% of total energy production is 73 years after 1960, which is 2033 (since 1960+73=2033). We round up to the nearest year.

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Describe the role of GA in a-amylase production and in germination. Provide evidence for your claim

Answers

Gibberellic acid (GA) plays a crucial role in a-amylase production and germination. GA stimulates the synthesis and release of a-amylase enzymes, which hydrolyze starch into sugars during germination. Experimental studies have demonstrated that the application of GA accelerates a-amylase production and enhances germination in various plant species

In terms of a-amylase production, GA stimulates the synthesis and release of this enzyme. a-amylase is responsible for breaking down starch into simpler sugars, which are then utilized by the plant for growth and development.

Studies have shown that applying GA to plant tissues or seeds results in an increased production of a-amylase, facilitating the conversion of stored starch into energy-rich sugars.

Regarding germination, GA is involved in breaking seed dormancy and promoting the growth of the embryonic plant.

It stimulates the production of hydrolytic enzymes like a-amylase, which enable the hydrolysis of starch reserves in the endosperm, providing the energy needed for germination and seedling establishment.

Additionally, GA helps in cell elongation and division, promoting the growth of the embryo and the emergence of the radicle.

Evidence for GA's role in both processes includes studies where the exogenous application of GA to seeds or plant tissues has been shown to enhance a-amylase production and promote germination.

Conversely, inhibiting GA synthesis or action results in reduced a-amylase activity and impaired germination. These findings support the critical involvement of GA in both a-amylase production and germination processes in plants.

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Explain the following statement using evidence from the DNA sequences:

Mutations in the DNA change how proteins are made which leads to new and different forms of phenotypes.

Answers

A missense mutation is a Genetic alteration that causes the protein produced to encode a different amino acid at a specific location. Certain missense mutations change how the resulting protein functions.

Why do some changes in an organism's DNA sequence cause change, while others do not?

While mutations always result in a change in the DNA sequence, they do not necessarily have a noticeable impact on the organism or alter the resulting protein. Since most amino acids can be encoded by two or more distinct codons, this is possible.

Can mutations be found using DNA sequencing?

The ability to properly identify and characterise the majority of sequence changes makes direct DNA sequencing, in theory, the method for mutation identification with the highest degree of accuracy.

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3. Protistsare NOT decomposersO FalseTrue

Answers

Protozoans are organisms with diverse forms of living, nonetheless, there are two main groups those that are predators, consume bacteria or other protozoans, meanwhile, there are others that are parasites like amebas or giardia. Therefore taking this into account we can say that this statement is true.

As a puppy, Cricket weighed 334 pounds. At her 1-year check-up with the vet, Cricket weighed 12.5 pounds.


How much weight did Cricket gain between the time she was a puppy and her 1-year check-up?


Enter your answer as a decimal or simplified mixed number in the box.


lb

Answers

The weight gained by Cricket within the 1-year period would be 8.75 or 8 3/4 pounds.

Cricket weighed 3 3/4 pounds initially and 12.5 pounds after one year.

In order to calculate the weight gained within the said period, the initial weight would be subtracted from the final weight.

Thus:

Weight gained = 12.5 - 3 3/4

                         = 12.5 - 3.75 or 12 1/2 - 3 3/4

                            =  8.75 or 8 3/4

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Carla was recently diagnosed with a brain tumour and has since completely lost
her appetite. The brain tumour is likely located in her:
dorsal hypothalamus
lateral hypothalamus
ventromedial hypothalamus
medial hypothalamus

Answers

Answer:

hypothalamus

Explanation:

Hunger is partly controlled by a part of your brain called the hypothalamus, your blood sugar (glucose) level, how empty your stomach and intestines are, and certain hormone levels in your body. Fullness is a feeling of being satisfied.


What is a homogeneous mixture?

Answers

Answer:

Homo means the same, therefore a homogenous mixture is a mixture that is the same all the way through

A crane has a sharp and pointed beak while the duck has a flat beak.Explain why

Answers

Answer:

The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.

On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.

The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.

someone go to my pin account and see my pets https://www.pinterest.com/horsegirlmag/_saved/

Answers

Answer:

heyy!

Explanation:

SPACE
Which of the following is the smallest?
A.
the Universe
B.
the Solar System
C.
the Sun
D.
the Milky Way Galaxy

Answers

Answer:

The sun

Explanation:

largest to smallest they are: Universe, galaxy, solar system, star, planet, moon and asteroid.

and since the sun is a star it would be the smallest

Which of the following pieces of evidence does not explain how mid-ocean ridges are formed?
A. The rocks closer to the ridge are younger than those farther away.
B. Mid-ocean ridges are found on the bottom of most oceans.
C. The magnetic orientation of rocks is symmetrical on either side of mid-ocean ridges.
D. Pictures of ridges show evidence of lava flows.

Answers

Answer:

B

Explanation:

i am sorry if this is wrong

The following pieces of evidence does not mid-ocean ridges are formed Mid-ocean ridges are found on the bottom of most oceans.

What is mid-ocean ridges?

The central parts of the oceans have mid-ocean ridges. The mid-ocean ridges are volcanic underwater mountain ranges.

There is constant propelling of magma, and as the magma cools off quickly it creates new crust.

This results in the mid-ocean ridges gaining heights of up to 1.5 km above the surrounding area.

So, option B is correct.

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A mutation that causes a patch of white hair on a person's head when the rest of his hair is brown is most likely a

Answers

poliosis, a mutation that typically changes the color of a patch of someones hair due to a lack of melanin

which two processes must happen before cells can make large amounts of ATP for every glucose molecule split in two?
A. glycolysis
B. fermentation
C. the krebs cycle
D. the electron transport chain

Answers

The two processes that must happen before cells can make large amounts of ATP for every glucose molecule split in two are:  (D) The electron transport chain; and (C) The Krebs cycle.

What is ETC and Kreb's cycle?

The Electron Transport Chain (also known as the ETC) is a sequence of electron complexes that electrons must travel through in order to generate ATP via redox reactions. There are four protein complexes that electrons go through on their way. Additionally, there is a fifth complex that is present at the very end that serves the role of the ATPase.

The Krebs Cycle is a set of chemical processes that work to oxidise acetyl coenzyme A (Acetyl CoA) and create energy as a byproduct of this process. Within the matrix of the mitochondria, the procedure is carried out.

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explain the function of biuret protein assay​

Answers

Answer:

The biuret test, also known as Piotrowski's test, is a chemical test used for detecting the presence of peptide bonds. ... The biuret reaction can be used to assess the concentration of proteins because peptide bonds occur with the same frequency per amino acid in the peptide.

Hope it'll help!

Stay safe:)

Answer:

it also known as piotrowski test

Explanation:

How does limited stomach volume affect weight loss?

Answers

Answer:

it affects weight loss by limiting the amount your stomach can hold, there by lessening the amount you eat and how much turns into fat.

Explanation:

I hope this is what you were looking for

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