Which benthic zone includes the deep-ocean trenches?

Resource economics is a discipline that examines how societies employ their limited resources. The primary purpose of resource economics is to analyze how resources are developed, utilized, and depleted over time.

In general, the study is concerned with the optimal use of resources in a way that maintains or increases the well-being of people over time.The following statement best explains the importance of resource economics: It examines the cost and profits of resource use. According to resource economics, the optimal use of resources is obtained when the cost of producing and distributing goods is at the lowest possible level, while still guaranteeing that the goods and services are of high quality.

In order to achieve this, resource economics analyses the cost and benefits of resource use, and offers insight into how society can make the most efficient use of its limited resources. Therefore, this statement is the most appropriate, since it clarifies that resource economics is concerned with analyzing the cost and profits of resource use, which is necessary for any community to use its resources in a way that is both sustainable and profitable. Resource economics examines how resources are utilized and depleted over time, with the aim of maintaining or increasing the well-being of people over time.

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Answer:

a. Needs

Explanation:

Needs are those things that humans primarily depend upon. They are said to be the basic necessities of man. They include; food, clothing, shelter and education.

These basic necessities are a requirement for people in any nation to live a decent life and sometimes, even survive. These basic necessities, called NEEDS, is the poverty determinant of a nation.

Answer:

A pendulum is a simple example of energy transfer – converting potential energy to kinetic energy over and over until the small amount of energy lost to heat and air resistance causes the pendulum to come to rest. The 'almost' part is important

Explanation:

I think it's that

1. fallopian tube( the tube that connects the ovaries with the uterus)

2.Ovary

3.This is the cervix

4.Uterus

5.Vagina

Answer:

Lose extra pounds and watch your waistline. Blood pressure often increases as weight increases

Exercise regularly

Eat a healthy diet

Reduce sodium in your diet

Limit the amount of alcohol you drink

Quit smoking

Cut back on caffeine

Reduce your stress

Explanation:

Biotechnology, at its most basic, is biology-based technology; biotechnology harnesses cellular and biomolecular processes to develop technologies and products that improve our lives and the health of our planet. The primary goal of modern biotechnology in agriculture is to improve the quality, quantity, nutrition, taste, and shelf life of produce, allowing stakeholders to achieve higher yield with lower energy costs.

This includes ancient agricultural processes such as fermentation as well as more recent examples of developing disease-resistant plant varieties through crossbreeding. Modern methods for improving agricultural practices through biotechnological progress include transgenic techniques, which revolve around the insertion of foreign DNA strands into the host genome to increase crop yield.

Agriculture biotechnology benefits include increased crop yield, reduced crop vulnerability to environmental stresses, improved nutritional qualities of food crops, improved taste, texture, or appearance of food, and reduced reliance on fertilizers, pesticides, and other agrochemicals.

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Answer:

The purpose of natural selection is not a conscious or intentional one, as it is not driven by a specific goal or purpose. Instead, natural selection is a fundamental process in biology that acts on heritable traits within populations over generations. It is a key mechanism of evolution.

Explanation:

The primary outcome of natural selection is the adaptation of organisms to their environment. Individuals with traits that are advantageous in a particular environment are more likely to survive, reproduce, and pass on those beneficial traits to their offspring. Conversely, individuals with traits that are disadvantageous are less likely to survive and reproduce, leading to a reduction in the frequency of those traits in the population over time.

Natural selection, therefore, acts as a filter that shapes the characteristics of populations, favoring traits that enhance an organism's survival and reproductive success in a given environment. Over many generations, this process can lead to the development of new species or the modification of existing ones, as populations accumulate adaptations that allow them to thrive in different ecological niches.

It's important to note that natural selection does not have an end goal in mind, nor does it necessarily lead to the "best" or most advanced organisms. Instead, it is a consequence of the interactions between organisms and their environment, constantly shaping and refining the traits of living beings based on their ability to survive and reproduce.

Answer:

B: it magnifies an object so you can study its details!

Explanation:

it's a microscope which helps you observe things up close!:)

There are 20 fundamental amino acids which the body require to grow and function properly. However, among these 20 amino acids. only nine are classified as essential amino acids.

Amino acids are the building blocks of proteins. Different amino acids polymerize to form a polypeptide which combines to form a protein. The primary structure of a protein is its amino acid sequence. This sequence derives the folding of the protein and intramolecular bonding of the linear amino acid chains, which ultimately determines the unique three-dimensional structure of a protein.

A change in the sequence of this amino acid may lead to a change in the protein. Even changing just a single amino acid in the sequence of a protein can affect the protein's overall structure and function.

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No, "Crick and Watson" is not a type of genetic test. Crick and Watson refer to James D. Watson and Francis Crick, who were scientists involved in the discovery of the structure of DNA. They proposed the double-helix structure of DNA in 1953, which provided the foundation for understanding genetic information and its role in heredity.

Genetic tests, on the other hand, are laboratory tests that analyze an individual's DNA or genes to provide information about their genetic makeup, potential genetic disorders, or predispositions to certain conditions.

These tests can be used for various purposes, such as diagnosing genetic disorders, predicting the risk of developing certain diseases, determining carrier status for genetic conditions, or providing ancestry and genealogical information.

While Crick and Watson made significant contributions to the field of genetics, they are not directly associated with genetic testing. Genetic tests are based on scientific advancements and technologies developed after their groundbreaking discovery of the DNA structure.

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Answer:

Fish have gills in order to extract oxygen from the water and absorb it into their bloodstream. This allows them to breathe underwater, as opposed to mammals like humans who require air to breathe.  states that "gills require a huge amount of water to provide the necessary gas exchange. The gills also pass carbon dioxide into the water in the same way as lungs breathe it out into the air. As the water passes over the gills, the blood in the fish absorbs oxygen from the water."

Option 2, "to absorb oxygen from the water into the bloodstream," is the correct answer. Gills do not absorb nutrients from the water into the digestive system (option 1), transport oxygen to the lungs (option 3), or regulate body temperature (option 4).  also mention that gills are used by fish to expel nitrogenous waste and regulate the pH or acidity in their bodies, but the primary function of gills is to extract oxygen from the water and absorb it into the bloodstream.

Explanation:

The student's hypothesis is incorrect; compacted-soil flood control barriers lasted longer than I-wall barriers in the investigation.

Based on the data collected in the student's investigation, the evaluation of the hypothesis shows it to be incorrect.

The student initially hypothesized that I-wall style flood control barriers would last longer than compacted-soil barriers.

However, the results showed that I-wall barriers broke after an average of 8 liters of water were added, while compacted-soil barriers withstood an average of 15 liters.

This indicates that compacted-soil flood control barriers are more effective in lasting longer under the tested conditions compared to I-wall style barriers.

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Hi, you've asked an incomplete question. However, I provided some information about what a computer model does.

Explanation:

Remember, a computer model in simple terms is a representation of a real-life process or system using a computer. In other words, the computer model is a virtual representation of reality.

For example, weather forecasters often make use of computer models in other to predict changes in weather by taking note of certain values or parameters.

Answer:

You can adjust the type of fluid used, the amount of the fluid, and the amount of water.

Explanation:

PLATO

Answer:  D

the answer is D because it would fit best with this sentence

Answer:

What is a controlled experiment? This is when a hypothesis is scientifically tested. In a controlled experiment, an independent variable (the cause) is systematically manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled.

Explanation:

Hope it helps

Answer:

its c

Explanation:

Answer:

boiling point is not among them.

but others we've - Electrons affinity

- Electronegativity

- Electropositivity

Can you please help me with this exercise A of sentence rephrasing:

1.We were doubtful about his success. (Use: sure.....)

Ans: We were not sure about his success.

2. Sneha looked at me and smiled. (Begin: looking.....)

Ans:- Looking at me, Sneha smiled.

3. One should not always keep promises. (Begin: Promised)

Ans:- Promised should not always be kept.

4. I said,' How sad he looks! (Begin! I exclaimed)

Ans- I exclaimed, "How sad he looks!"

5. As soon as the traveler knocked, a bird. flew out of the turret. (Begin: No sooner...…)

Ans:- No sooner did the traveler knock, a bird flew out of the turret.

6. Unless you walk fast, you will miss the bus. (Use: lest)

Ans:- Walk fast lest you miss the bus.

7. The boxing was kind and just. (Begin: Not only)

Ans!- Not only was the boxing judge kind, but also just.

8. Mrinal is not as clever as Samir. (Begin: Samir.....)

Ans: Samir is cleverer than Mrinal.

Sentence transformation or sentence rephrasing exercises are used to describe these types of sentences. They require changing a sentence to include a particular word or phrase specified in parentheses. These exercises are designed to assess your knowledge of sentence form, principles of grammar, and word usage. They help develop your ability to communicate concepts in multiple ways and show versatility in sentence structure.

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Answer:

Explanation:

the chromosomes arrive at the cell poles, the mitotic spindle disassembles, and the vesicles that contain fragments of the original nuclear membrane assemble around the two sets of chromosomes.

Cheetah need a large lung capacity because they consume a lot of oxygen while sprinting.

Answer:

Cheetahs have evolved a much higher lung capacity than humans; it helps provide oxygen to all the muscles in the body and allows them to run very fast. ... In this case, it is not because they run fast but because they have a large body and must be able to take up oxygen in accordance with their body size.

Answer: An autotroph is an organism that can produce its own food(using light), water, and carbon dioxide

Different links show relationships between two species. In the scientific world, there are three types of links, including mutualism, parasitism, and commensalism.

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Answer:

D

you add the number of protons and the number of neutrons

Answer:

the answer is d: the total number of protons and neutrons found in an atom

Answer:

It depends on the location on the periodic table and if it is easier to loose are gain electrons to fill the valence electron shell.

The electron affinity of the neutral atom of the element can show indicate whether or not the element is going the make positive or negative ions.  The higher the electron affinity is, the more the neutral atom wants to gain electrons.  The electron affinity for alkali metals and alkaline earth metals are low due to the fact that they are located on the left of the periodic table and only needs to loose 1 or 2 electrons to have a completed valence shell.  That means that they want to form cations (loose electrons).  Halogens have a high electron affinity since they are located on the right of the periodic table and only have to gain 1 electron to get a completed valence electron configuration.  That means that it forms anions.

Explanation:

It depends on the location on the periodic table and if it is easier to loose are gain electrons to fill the valence electron shell.

The electron affinity of the neutral atom of the element can show indicate whether or not the element is going the make positive or negative ions.  The higher the electron affinity is, the more the neutral atom wants to gain electrons.

The electron affinity for alkali metals and alkaline earth metals are low due to the fact that they are located on the left of the periodic table and only needs to loose 1 or 2 electrons to have a completed valence shell.

That means that they want to form cations (loose electrons).  Halogens have a high electron affinity since they are located on the right of the periodic table and only have to gain 1 electron to get a completed valence electron configuration.  That means that it forms anions.

Therefore, It depends on the location on the periodic table and if it is easier to loose are gain electrons to fill the valence electron shell.

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Exhaling removes waste from the body by expelling carbon dioxide through the respiratory system.

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Answer: A,B,C,D

Explanation:USAtestprep

All of the possible sources of acid rain are Sulfur dioxide is released into the atmosphere by the burning of fossil fuels; gases are released from volcanic eruptions; and nitrogen dioxide is released into the atmosphere by the burning of fossil fuels, so all the first, second, third, and fourth options are correct.

Acid rain is a type of rain that has a lower pH level than normal rainwater and occurs when emissions of sulfur dioxide (SO₂) and nitrogen oxides (NOx) react with atmospheric moisture to form sulfuric acid (H₂SO₄) and nitric acid (HNO₃). Acid rain can have harmful effects on the environment, including damaging forests, lakes, and aquatic life, and the primary sources of sulfur dioxide and nitrogen oxides are the burning of fossil fuels, such as coal and oil, in power plants, factories, and vehicles.

Hence, all the first, second, third, and fourth options are correct about the acid rain.

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B. Both organisms benefit.

Symbiotic relationships are interactions between different species within an environment.

Mutualistic Relationships

Mutualistic relationships are interactions where both organisms are benefitted. One example is bees and flowers. In this relationship, the bees get food in the form of nectar and the flowers are pollinated by the bees. Both organisms are benefitted mutually; the bees can make honey and the flowers can reproduce.

Other Symbiotic Relationships

There are 2 other forms of symbiotic relationships. The first is commensalism: where one organism benefits but the other is unaffected. The other is parasitism: where one organism benefits and the other is harmed.

a) recycling helps to release the burden of waste that is released into the environment

b) There are plants the recycle the plastics and there are plants that recycle metals in the UAE.

c) Recycling would ensure that we do not have a lot of wastes in the environment.

d) We can encourage people to recycle by telling them the importance of the recycling of waste.

The handling of wastes has formed a key part of the discussion of many environmental specialists around the world. We know that there is a limit to which the environment can be able to taken the wastes that are being introduced into it with out treatment  and these can also be able to cause a lot damage in other parts of the world.

The UAE have been a leading country in the rea of the recycling of waste as there are over 291 waste recycling centers that we have in the UAE and this have helped to avoid the build up of waste materials across the country.

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