Answer:
Explanation:
These changes have been triggered by the changing configuration of continents and oceans, changes in the Sun's intensity, variations in the orbit of Earth, and volcanic eruptions.
drug obtained from plants is :
A] MORPHINE
B] INSULINE
C] ASPIRIN
D] CEPHLOSPORIN
The alantic ocean grows in size due to a
It has grown in size due to global warming
What do you think accounts for the higher risk of earthquakes in Los Angeles than in Chicago?
Answer:
Los Angeles, California, rests on a major (and active) fault line known as the San Andreas Fault. It's the line between the Pacific and North American tectonic plates, and more seismic activity is measured daily than on the New Madrid Fault, which runs through New Madrid, Missouri, and around the mid-west. Chicago is still at risk, of course, but not nearly as much, given the small activity of the fault line.
The San Andreas Fault, a significant (and active) fault line, runs through Los Angeles, California.
Why is a higher risk of earthquakes in Los Angeles?There is more seismic activity recorded there every day than on the New Madrid Fault, which passes through New Madrid, Missouri, and other midwestern cities.
It is the boundary between the Pacific and North American tectonic plates. Chicago is still in danger, of course, but not nearly as much as before due to the fault line's low level of activity.
Therefore, movement along the San Andreas Fault and its numerous accompanying faults, which define the tectonic border between the Pacific and North American tectonic plates, is what causes earthquakes in California.
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How does the stability of an ecosystem depend on its producers?
The stability of an ecosystem depends on its producers because the producers are the foundation of the food chain. Producers provide the energy that primary consumers eat, secondary consumers eat the primary consumers, and so on. Without the producers, there would be no nutrients for any other organisms in the food chain.
The haemorrhagic fever called Dengue is caused by a A) double-stranded DNA virus. B) single-strand RNA virus. C) protozoan. D) double-stranded DNA virus. E) bacterium.
The haemorrhagic fever called Dengue is caused by a single-strand RNA virus. Option B is the correct answer
This virus is spread by the bite of Aedes mosquitoes, which are primarily active during the day. Dengue fever is a common viral disease in tropical and subtropical areas of the world, including Southeast Asia, Latin America, and the Caribbean. Symptoms of Dengue fever typically include fever, headache, muscle and joint pain, and a characteristic skin rash. In severe cases, it can lead to hemorrhagic fever or dengue shock syndrome, which can be life-threatening.
There is currently no specific treatment for Dengue fever, but supportive care can help alleviate symptoms. Prevention efforts focus on mosquito control measures, such as eliminating breeding sites and using mosquito repellents. Vaccines are available, but their effectiveness varies depending on the individual's immune system and the serotype of the virus. Overall, Dengue fever is a significant public health concern, and efforts are ongoing to develop more effective prevention and treatment options.
Therefore correct answer is option B
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Why do you think it's important for scientists to study plate tectonics? Explain.
Studying plate tectonics is important because it helps explain Earth's surface features, predict natural disasters, investigate Earth's history, explore natural resources, and understand global climate patterns. It is a multidisciplinary field that provides valuable insights into the dynamic nature of our planet.
Scientists study plate tectonics for several important reasons. Firstly, understanding plate tectonics helps scientists explain the formation of different features on Earth's surface, such as mountains, valleys, and ocean basins. By studying the movement and interactions of Earth's tectonic plates, scientists can better understand the processes that shape our planet.
Secondly, studying plate tectonics is crucial for predicting and understanding natural disasters. Earthquakes, volcanic eruptions, and tsunamis are all related to tectonic activity. By analyzing plate boundaries and identifying areas prone to seismic activity, scientists can provide early warnings and help communities prepare for potential disasters.
Furthermore, studying plate tectonics is essential for investigating Earth's history. The movement of tectonic plates over millions of years has shaped the continents and influenced the evolution of life on our planet. By examining the distribution of fossils and rock formations, scientists can reconstruct past tectonic events and gain insights into Earth's geological history.
Additionally, understanding plate tectonics is crucial for exploring natural resources. Many valuable minerals and energy resources are formed as a result of tectonic processes. By studying plate boundaries and their associated geological features, scientists can identify potential locations for mining and resource extraction.
Lastly, studying plate tectonics contributes to our understanding of global climate patterns. The movement of tectonic plates affects ocean currents, weather patterns, and the distribution of landmasses. By analyzing these interactions, scientists can better predict and understand climate change.
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Which best describes the purpose of bar graphs?
- They show changes over a period of time.
- They compare quantities for particular categories.
- They show the relationship among parts of a whole.
- They compare ranges as continuous data.
Answer:
They compare quantities for particular categories.
Explanation:
Quantities- numbers
Bar graphs compare numbers
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anser: c 100 on test
help
Cell membranes are------------------because they allow some substances to pass through more easily than others.
Answer:
Selectively permeable
two metal balls with the same mass hang so that they are touching each other. The ball on the left is pulled to the side
the ball on the right will swing to the right
Both balls will swing to the left
The ball on the left will stop, and the ball on the right will remain still
both balls will swing to the right
The same-mass metal balls are suspended so that they are touching one another. The ball on the right will swing to the right after the left ball is dragged to the side.
How do two balls in a Newton's cradle work?The falling ball comes to a stop when it strikes the other balls. In order to make up for this, a ball with an identical mass will move with the same initial momentum as the first ball.
What are the names of the metal balls that collide?It is also known as the executive ball clicker, Newton's pendulum, Newton's balls, and Newton's rocker. (since the device makes a click each time the balls collide, which they do repeatedly in a steady rhythm).
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How would an ecosystem be removed if fungi were removed from the environment?
A. There would be an increase in plant life.
B. Nutrients would not be recycled back into the environment.
C. Animal life would increase.
D. All factors would stay the same.
Answer:
B
Explanation:
Answer:
B. Nutrients would not be recycled back into the environment.
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If an atom has 2 valence electrons it will form an ion with what charge?
Answer:
Mg most commonly forms a 2+ ion. This is because Mg has two valence electrons and it would like to get rid of those two ions to obey the octet rule. Fluorine has seven valence electrons and usually forms the F – ion because it gains one electron to satisfy the octet rule.
Can loss of deserts cause global warming?!
Answer:
no, loss of deserts does not cause global warming. there was a study done on NBC news that said something to the effect that deserts actually absorb Carbon dioxide(which is the main gas causing global warming and climate change)
what does cause global warming is the loss of trees. trees are like a natural filter. they keep carbon out of the atmosphere and store carbon in their bodies. when they get cut down or burned, they release that carbon as carbon dioxide into the air. basically, if trees aren't there, there will be harmful gases in the air, and there won't be a natural and safe method to keep those gases under control
Which is TRUE regarding the Yellowstone ecosystem in Wyoming?
[LS2-1, LS2-2]
A. abiotic factors like weather have no impact on this ecosystem
B. the main herbivores on the island are elk
C. the wolves in the park have many choices of prey species
D. the ecosystem here has only been studied for a few years
Answer:
(B) is true.
Explanation:
The most prevalent big mammal in Yellowstone is the elk. Elk, the term for moose in Europe, was used to characterise the animal by European immigrants in North America (causing great confusion for European visitors). Elk is also known by the Shawnee term "wapiti," which means "white deer" or "white-rumped deer." Elk in North America are regarded as belonging to the same species as red deer in Europe.
Elk are consumed by wolves, therefore when they disappeared, the elk population skyrocketed. The park had very few young aspen trees because the elk consumed young aspen trees.
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what type of organ is an onion?
Many believe that some disorders are the result of an imbalance of healthy bacteria and yeast. As a result, complementary health practitioners may prescribe ________ to cure the imbalance.
Many complementary health practitioners believe that some disorders are the result of an imbalance of healthy bacteria and yeast. To cure the imbalance, they may prescribe probiotics, which are live microorganisms that can improve the gut microbiome and promote digestive health.
Probiotics are live microorganisms that offer several health benefits, primarily to the digestive system. They are found naturally in fermented foods such as yogurt, sauerkraut, and kefir, but can also be taken in supplement form as capsules, tablets, and powders.
Probiotics are known to improve gut microbiota diversity, which can lead to better digestion and immune system function. They also help balance the levels of healthy bacteria and yeast in the gut, which can reduce the risk of certain diseases. Many complementary health practitioners believe that probiotics can be used to cure the imbalance of healthy bacteria and yeast, which is thought to cause some disorders.
Probiotics offer several health benefits that can improve overall well-being. They can help relieve digestive issues such as bloating, constipation, and diarrhea, and can also boost the immune system to prevent infections and illnesses. Additionally, probiotics may help manage mental health issues such as anxiety and depression by improving the gut-brain axis.
While more research is needed, probiotics have shown promising results for treating certain conditions such as irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), and urinary tract infections (UTIs). Therefore, it is recommended to incorporate probiotics in one's diet for overall better health.
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The K-selection reproductive strategy maximizes the survival of offspring by producing
a. few offspring with high levels of parental care
b. few offspring with low levels of parental care
c. many offspring with high levels of parental care
d. many offspring with low levels of parental care
The survival of offspring by producing few offspring with low levels of parental care.
Is it paternal or parental?Family law is complex, and it's important to understand the distinction between parental rights and paternal rights. Simply put, paternity is the determination of a child's father, while parental rights are given to the legal parents of the child.
Why is parental important in human?The importance of parenting arises from its role as a buffer against adversity (such as poverty or delinquent influences) or mediator of damage (as in child abuse). Parenting usually involves biological parents but is not confined to them. Carers, teachers, nurses, and others fulfil parenting tasks with children.
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Can you see insulin and glucose happening inside of your body? Why or why not?
Answer:
Yes and no. Both glucose and insulin can show up on lab tests for blood, but like every other hormone or cell, you cannot see it since it's so microscopic. You can defiently feel when you have improper insulin to take care of excess glucose such as in people with diabetes, but it's literally impossible to see how much of both are in your body due to their sizes.
Explanation:
Which of the following is not strictly a part of a synovial joint?a. articular cartilageb. synovial fluidc. joint cavityd. tendon sheathe. articular capsule
Tendon sheath is not strictly a part of a synovial joint.
D is the correct answer.
In a synovial joint, smooth cartilage covers the ends of the bones. A joint capsule that surrounds them both and is coated with a synovial membrane that secretes synovial fluid protects them from harm. The fluid and capsule serve as a barrier between the connective tissues, muscles, and cartilage.
Most of the joints in the extremities are synovial joints, which are also the ones that can be directly examined and palpated. Important structural elements found in synovial joints include subchondral bone, hyaline cartilage, a joint cavity, synovial lining, the articular capsule, and supporting ligaments.
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What surrounds a bacteria cell and allows a cell wall to escape predation by other cells?
You have been appointed a the United State repreentative to an international conference that will replace the Kyoto Protocol. All nation recognize that the Kyoto Protocol wa not fully effective, and mot are committed to creating a tronger agreement. What type of agreement will you try to hape? Decribe at leat 3 component you would upport and at leat one you would oppoe
A global accord called the Kyoto Protocol aims to regulate greenhouse gas emissions. The Kyoto Protocol is mandatory, not optional, in contrast to the UNFCCC.
Nations that ratified the agreement pledged to lower greenhouse gas emissions from 1990 levels. After being ratified by 127 countries, including Russia, the pact came into force in 2005.
The Kyoto Protocol was not ratified by the United States. Because the Kyoto Protocol only obliged industrialized countries to reduce emissions, not developing countries like China and India, several American officials criticized the agreement as unfair.
The various standards, according to proponents of the Kyoto Protocol, are justified because the current greenhouse gas problem was caused by industrialized nations. Consequently, developed countries, such as the United States, should lead the charge to resolve it.
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a. lipids
b. protein
c. fatty acids
d. simple sugars
Answer:
I feel like its A
Explanation:
Although bacteria can be used to produce human proteins for therapeutic uses, what can be a disadvantage to using a prokaryotic system?
Although bacteria can be used to produce human proteins for therapeutic uses, the disadvantage to using a prokaryotic system is that proteins may not be post-translationally processed correctly.
A protein that is defective or lacking in a certain condition can be replaced with therapeutic proteins. They can also increase the body's production of a helpful protein to lessen the effects of illness or chemotherapy.
Patients with cancer, heart attacks, strokes, cystic fibrosis, diabetes, anaemia, and haemophilia are treated using therapeutic proteins. These proteins are made utilising microbial fermentation in transgenic plants, animals, and cell cultures.
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Which list includes components of a muscle in the correct order from deep (or most simple) to superficial (or most complex)?
a. myofiber, thick myofilament, myosin, myofibril, endomysium, fascicle, perimysium, muscle, epimysium
b. myofibril, thick myofilament, myosin, myofiber, endomysium, fascicle, epimysium, muscle, perimysium
c. myosin, thick myofilament, myofibril, myofiber, endomysium, fascicle, perimysium, muscle, epimysium
d. myosin, thick myofilament, endomysium, myofibril, myofiber, muscle, epimysium, fascicle, perimysium
The correct order of components of a muscle from deep to superficial is myofiber, endomysium, fascicle, perimysium, epimysium, and muscle. Therefore, the correct answer is (d) myosin, thick myofilament, endomysium, myofibril, myofiber, muscle, epimysium, fascicle, and perimysium.
Myosin is a protein that is part of the thick myofilament. The myofilaments are organized into myofibrils, which are then bundled together into muscle fibers or myofibers. The myofibers are surrounded by the endomysium, which is a thin layer of connective tissue. Fascicles are groups of myofibers that are wrapped in a thicker layer of connective tissue called perimysium. The entire muscle is covered by the epimysium, which is the most superficial layer of connective tissue.
In summary, the organization of a muscle from deep to superficial is myosin, thick myofilament, endomysium, myofibril, myofiber, muscle, epimysium, fascicle, and perimysium.
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A new predator is introduced to an aquatic ecosystem. In a population of fish that live there, very small fish are more easily able to hide from the predators, and very large fish cannot be easily eaten by predators. What type of natural selection is acting on the population, and what will be the expected result?
A.Stabilizing selection: Since both extremes are selected against, the fish population will remain about the same.
B.Disruptive selection: Over time the fish population will change. Medium-sized fish will become rare, small and large fish will be common.
C.Stabilizing selection: Over time the fish population will change. Medium-sized fish will become rare, small and large fish will be common.
D.Disruptive selection: Since both extremes are selected against, the fish population will remain about the same.
Disruptive selection: Over time the fish population will change. Medium-sized fish will become rare, and small and large fish will be common is a type of natural selection that is acting on the given population. So, it's B.
What do you mean by Ecosystem?An ecosystem may be defined as any place or area where the members of different species or communities live together and interact with one another for the purpose of food, shelter, and space.
As predators are only able to attack the moderate-sized fishes, so the population of moderate-sized fishes may decline in the aquatic ecosystem, while extremely short and large fishes are able to maintain their population at the same pace.
Therefore, the correct option for this question is B.
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Antimicrobial disinfectants such as triclosan are being used more frequently to clean surfaces, prevent infection, and eliminate as many bacteria in our personal environment as possible. What is one downside to this trend?
Question 5 options:
It could increase the levels of dust mites.
It could kill harmless viruses.
It could reduce the number of helpful bacteria.
It could prevent infection by fungi.
Answer:
here u go dont need to say anything
Explanation:
A computer model of the spread of a disease through a human population
can be used to make predictions about changes in case numbers over time.
Which sentence best describes a benefit of using a computer model of the
spread of a disease?
A. It gives details about how each person might be affected by the
disease.
B. It displays information about how a possible treatment for the
disease will affect a specific individual.
C. It can be used to study details of the disease that are too small to
be observed directly.
D. It allows scientists to compare the possible outcomes of several
different decisions.
The most effective way to describe a benefit of employing a computer model of disease transmission It can be used to examine disease-related details that are too small to be seen directly.
The correct option is C.
How do computers aid the medical profession?Computers can now operate lab apparatus, blood pressure and heart rate monitors, and other crucial medical devices, as well as alert staff when something is wrong. In some scenarios, computers can help doctors perform treatments, improving the safety and convenience of the environment for everyone involved—staff members and patients.
Why do models get utilized in medicine?In order to comprehend and explain health behavior and to direct the selection, creation, and use of interventions, theories and models are employed in program planning.
What benefits may computational modeling provide to medical research and care?tracking contagious illnesses The most efficient therapies are found using computational models, which are also used to monitor and modify interventions to stop the spread of disease.
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If the entire rabbit population were killed by disease and died off, what will happen to the wolf population over time?
Answer:it would decrease
Explanation:lack of food
Answer:
the wolf population will decrease
Explanation:
because all of the rabbits are dead so they can't eat it
The correvisin sequires a prim perised adiuartmant. a The wormita +ntry will be difierent than if the erroe had besw सacrerted the poritul year whest it ocrarred. 6. The 20×1. Pepriciation Expener arroent will be involved in the poereving eutigh d. Aal sheve natemente arv trae. 44. Which of the fallowing is an ancurafe description ef the w failare to recerd ab ecriasl is Hikely tio be found? a. An expense that was not acrerued is paid, but there ia no poyaBLe wn thr tooks as thres thould be b. A revenue that was not aceroed is received, but there is ne receiv. attle on the beoks as there shoald be. c. A review of the trial balnnce teveals that aat asset or liability. actoant that ia norrally pireient after secrals are recorded is. fit presest. 4. All abere statemant are sccurate deseriptions of how faiture to fecord an accual is likely to be found 45. A comparison of thin your's trial bolance with lant year's may be w good พay to discever … a. whetber nurmal accuals were made this year- b. whether normal defirrals were made this year c. errers in accruate of deferrals that have resalted in overi or ugderetatement of revenues or expensef d. all of the abowe? 46. When trying to find errun in a trialhalance that docs not balance, the first step should be to ... it. mork from the ledger to the trial balance in check the jourran! entries and postings for errors b. see if the ledger acerant balanter have been calcalated correctly c. work from the ledper to the trial balance to verify that ledger account balances were transferred to the ourrect debit or credit: colurans d work from the trial balance to the ledger to verify that ledger: account balances were transferred to the corrcet debit or credit columns
The accurate descriptions are as follows: For question 44, none of the options accurately describe the likely finding when a failure to record an accrual occurs. For question 45, the accurate description is option (d): all of the above. For question 46, the correct first step to find errors in an unbalanced trial balance is to work from the ledger to the trial balance and verify the correct transfer of ledger account balances, which corresponds to option (c).
It appears that the text provided contains several errors and inconsistencies. However, I will attempt to address the questions based on the context and assumptions made.
44. The inaccurate description of the failure to record an accrual that is likely to be found is option (c): A review of the trial balance reveals that an asset or liability account that is normally present after several are recorded is not present. In reality, if an accrual is not recorded, it would lead to an understatement or omission of expenses or revenues, not the absence of assets or liabilities in the trial balance.
45. A comparison of this year's trial balance with last year's may be a good way to discover whether normal accruals or deferrals were made this year and whether errors in the accurate or deferred recognition of revenues or expenses have resulted in over- or understatement. Therefore, the correct option is (d): all of the above.
46. When trying to find errors in a trial balance that does not balance, the first step should be to work from the ledger to the trial balance to verify that ledger account balances were transferred to the correct debit or credit columns. This option corresponds to option (c).
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Which statement best describes the nature of science?
A. A hypothesis is a correct answer to a problem.
B. Science is a body of knowledge that is subject to change based on data.
C. The nature of science is for scientists to prove their point of view as correct.
D. A hypothesis becomes a law if there is data to support the hypothesis.
Cells acquire low-density lipoproteins (LDLs) by
A. phagocytosis.
B. pinocytosis.
C. receptor-mediated endocytosis.
D. diffusion.
C. Cells acquire low-density lipoproteins (LDLs) by receptor-mediated endocytosis.
LDLs are important carriers of cholesterol in the blood, and cells acquire them by binding to specific receptors on the cell surface. This triggers the process of receptor-mediated endocytosis, whereby the LDL-receptor complex is internalized into the cell by the formation of clathrin-coated vesicles.
Once inside the cell, the LDL is degraded, and the cholesterol is released for use by the cell. Phagocytosis is a process by which cells engulf large particles, such as bacteria, whereas pinocytosis is a process by which cells take up fluid and small molecules from the extracellular environment.
Diffusion is a process by which molecules move from an area of higher concentration to an area of lower concentration, but it does not involve receptor binding or active transport.
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