Lawmakers discuss methods of preventing pollutants that could directly start a positive feedback loop in the area shown in the picture.

Which of these actions should they take?

A. Pass laws to help decrease soil erosion and fertilizer runoff.

B. Ban the composting of food waste and paper products.

C. Increase funding for coal and natural gas technology.

D. Regulate the number of jets flying in the upper troposphere.

Answer:

goo khao eat some stool hahaha

Answer:

1. Cellular level

2. Tissue level

3. Organ level

4. System level

5. Organism level

Explanation:

Answer:

population

Explanation:

The polar bears, reindeer, and shrubs that live in a single area make up a community. The correct option is C, a community.

What is a community?

The polar bears, reindeer, and shrubs are distinct species that share the same geographical area and have the potential to interact with one another. They form a community within that ecosystem. It is important to note that a community does not include abiotic factors, such as soil, water, and climate, which collectively form an ecosystem.

So, the correct option is C.

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Answer:

Explanation:

Advantages:-

Lesser diseases

Helps in keeping skin clean and glowing

Stops spreading infections

Answer:

He chose peas because they had been used for similar studies, are easy to grow and can be sown each year.

Explanation:

I just saw the answer on the website :)

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Answer:

What is your question?

Natural selection is usually defined as the process by which forms of life having traits that better enable them to adapt to specific environmental pressures, as predators, changes in climate, or competition for food of mates, will tend to survive and reproduce in greater number than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations. Charles Darwin and Alfred Wallace developed the theory of evolution by natural selection and jointly presented papers on the subject in 1858. It is based on the finding that some distinctions between people in a group can be passed down across generations. Darwinism, or Darwin's theory, is a theory of evolution created by Charles Darwin stating that all life forms arise, change and develop from a process of natural selection. Natural selection is the process of changes in evolution due to the survival of certain individuals in a species. It is one of the most important parts of the theory of evolution. Darwin's idea provided a straightforward yet persuasive explanation for the diversity of species on Earth. Because various locations have distinct circumstances and survival possibilities, natural selection selects the organisms that are best adapted to that particular environment.

Answer: The complimentary base pairs would be:

a. TATCTGAATCGG

b. CTGTAAGTGACC

c. CGTTATGAACCG

d. TATCGATGGCAT

e. CAGGGTACGTTC

Explanation:

A combines with T and vice versa.

Similarly G combines with C and vice versa.

Answer:

is C, since cars and other non-living organisms release sulphur dioxide into the atmosphere

Answer:

The answer is B. Poor access to medical care

Poor access to medical care is most likely to have contributed to the high fertility rate in Africa. Option B is correct.

Fertility rate is the average number of children that a woman will have in her lifetime. In Africa, the fertility rate is high, meaning that women on average have more children than in other parts of the world. There are many factors that contribute to high fertility rates, but one of the most important is poor access to medical care.

When women do not have access to contraception, they are more likely to become pregnant. They are also more likely to die in childbirth if they do not have access to medical care.  In many parts of Africa, girls are married off at a young age. This means that they start having children at a young age, which can lead to higher fertility rates.

In some cultures, it is seen as desirable for women to have many children. This can also contribute to high fertility rates. In some parts of Africa, there are few economic opportunities for women. This can make it difficult for women to support themselves and their children, which can lead to higher fertility rates. Option B is correct.

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Answer:

5 because those organisms multipliy or expand

Answer:

2/3

Explanation:

Offspring are :

- MM

- Mm

- Mm

- mm

Now, it mentions living kitten.

Hence, they will be :

- Mm

- Mm

- mm

Out of the 3, 2 will have a long tail.

Hence :

P (long tail) = 2/3

Answer:

sorry i dont know the answer

Answer:

Sorry i dont't know answer

N an experiment, suppose that the wings of fruit flies were clipped short for fifty generations. The fifty-first generation emerged with normal-length wings. This observation would tend to disprove the idea that evolution is based on

a. inheritance of natural variations

b. inheritance of acquired characteristics

c. natural selection

d. survival of the fittest

Inheritance of acquired characteristics. Thus, option "B" is correct.

For fifty generations wings of fruit flies were clipped. Hence they acquired this trait in their lifetime and not genetically. If acquired characteristics were capable of passing on to next generation, 50 generations would have been enough to inculcate this clipped wing trait in fruit flies. Despite it, the fifty-first generation did not have clipped wings.

Hence evolution can not occur without genetic variation. A character simply acquired in a lifetime does not create a difference in germ cells and hence is not enough to be passed on to next generation or cause evolution

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Answer:

Explanation:

Since the process of hydrogenation contributes hydrogen atoms to oil, this will reduce the amount of fatty acids and increase the amount of saturated fatty acids in the oil.

The most important resources for man now in the geopolitical landscape is Oil/Fossil Fuels; option A.

Resources refers to the materials or substances which are used by humans for their needs either directly or indirectly.

Examples of resources are gold, petroleum, coal, wood , water, etc.

The most important resources for man now in the geopolitical landscape is Oil/Fossil Fuels since they are required to many energy dependent processes.

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Answer:

C

Explanation:

Is a symbol..............

In "The tragedy of the Commons", the author doesn't consider: B. that humans are social and depend on one another.

The tragedy of the Commons can be defined as an economic concept in which people (humans) with access to a shared resource act in their own selfish interest, while retroactively depleting this common resource.

This ultimately implies that, humans weren't considered to be social and dependent on one another by the author who wrote the tragedy of the Commons, they were rather selfish and self-centered.

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Estrogen and chlorine move by diffusion, nitrogen move by transport protein whereas glyphosphate moves by active transport.

Estrogen move across the cell membrane through simple diffusion because it needs no ATP molecule for its movement while on the other hand, glyphosphate use active transport for the movement across cell membrane because they only move when the ATP is available.

Nitrogen moves into the cell membrane of the lung cell through facilitated diffusion by transport proteins while on the other hand, the hydrogen ions moves into the cell membrane of the cell through active transport.

The chlorine ion moves from higher concentration region to lower concentration region by simple diffusion process.

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The temperature of the oil increased more than the temperature of the water because vegetable oil has a lower heat capacity than water.

Hence, the correct option is D.

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Answer:

without the possibility of nutritious food

Answer:

[tex]\huge\boxed{\sf Option \ C}[/tex]

Explanation:

Extinct organisms can never come back to life since the last of their species is dead and not even one of its species is alive.

[tex]\rule[225]{225}{2}[/tex]

Answer:

Science is the pursuit and application of knowledge and understanding of the natural and social world following a systematic methodology based on evidence

Explanation:

Scientific methodology includes the following: Objective observation: Measurement and data (possibly although not necessarily using mathematics as a tool) Evidence.

Answer:

A river system is made up of a river and its tributaries.

A river system is a term used to describe the broader networks of streams, lakes, and rivers that are tributaries and distributaries of a larger river. For instance, the Mississippi River system includes the Ohio, Red, and Missouri rivers, all of which drain into the Mississippi River. Due to its interconnectedness, the condition of one river may have an effect on the health of the other rivers in the same river system. A river system can also include other types of terrain, such as the wetlands and flood plains that are affected by a major river and its tributaries and distributaries. The majority of the time, rivers have a primary source, such as snowmelt from a mountain that cascades into a number of streams, which eventually merge to form a river that empties into a much bigger river. This is an illustration of a river network. River systems are ecosystems from an environmental perspective, and if even one component of the system is contaminated or destroyed, it may have a severe impact on things like water quality and the health of plants and animals. For instance, the effects of high pollution levels or prolonged drought near a river's source will be felt throughout the rivers and lands that make up the river system.

An example of this is the Amazon River in Brazil (South America).

Answer:

A river system is made up of a river and its tributaries.

Answer:

I don't know what are your options but if you just have to name one substance it's sea ice

2Cu2^+ + 2I^- ----> 2Cu^+ + I2

The reaction performed in the experiment is;

2 Cu(NO3)2 + 4 KI → 2 CuI (s) + 4 KNO3 + I2

A reaction that happens when an oxidizing substance and a reducing substance come into contact. In the reaction, the reducing substance obtains electrons while the oxidizing substance loses electrons.

The precipitate results from the reduction of Cu2+ by iodide ions to Cu+, which is insoluble in water. Iodine is a good oxidizing agent, and since its outermost shell must be filled with one electron, this is why. On the other hand, because it may quickly lose its one electron, potassium makes a good reducing agent.

The oxidation - reduction equation is as follows;

2Cu2^+ + 2e ----> 2Cu^+ reduction half equation

2I^- ----> I2 + 2e. Oxidation half equation

Balanced redox reaction equation;

2Cu2^+ + 2I^- ----> 2Cu^+ + I2

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Explanation:

The proposed reaction for the oxidation-reduction of copper (II) iodide is as follows:

2 CuI + Cl₂ → 2 CuCl + I₂

The substance that reduces copper in this reaction is chlorine gas (Cl₂). Chlorine is capable of oxidizing iodide ions (I⁻) to form iodine (I₂), while itself getting reduced to chloride ions (Cl⁻).

Justification based on the formation of a precipitate:

When copper nitrate (Cu(NO₃)₂) and potassium iodide (KI) react, a precipitate of copper (II) iodide (CuI₂) forms, even though it contradicts the solubility rules. According to the solubility rules, most iodides are soluble, including potassium iodide. Copper (II) compounds are also typically soluble. However, in this specific reaction, the formation of a precipitate suggests that a redox reaction is taking place.

Justification based on atomic structure:

The atomic structure of the potassium ion (K⁺) and iodide ion (I⁻) provides further insight into the choice of chlorine as the reducing agent. Chlorine has a higher electronegativity than iodine, making it more capable of accepting electrons. When chlorine reacts with iodide ions, it gains electrons and gets reduced. The potassium ion, on the other hand, has a lower electronegativity than iodine. Therefore, it is less likely to accept electrons and participate in the reduction of copper ions.

Overall, based on the fact that a precipitate forms when copper nitrate and potassium iodide react, along with the atomic structure of potassium and iodide ions, it is evident that chlorine gas is the substance that reduces copper (II) iodide in the proposed reaction.

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The 5’ end of the dna molecule is considered five prime, while the 3’ end of the dna molecule is considered the three prime.

Thus, The backbones of DNA's two long polymers of basic units, known as nucleotides, are comprised of sugars and phosphate groups that are connected by ester bonds.

These two strands are anti-parallel because they move in the opposite directions of one another. Each sugar has one of four different nucleobases (bases) molecules attached to it.

The genetic code is made up of the order of these bases, and it subsequently dictates the order of the amino acids in proteins. The 5′ (five prime) and 3′ (three prime) ends of DNA strands are referred to as the ends.

Thus, The 5’ end of the dna molecule is considered five prime, while the 3’ end of the dna molecule is considered the three prime.

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Answer:

carbon, hydrogen, and oxygen (second option listed)

The piece of technology that allowed scientists to look for life on Mars is known as the name of the rover.

Technology may be defined as the application of scientific understanding of the real purposes of human life. It also illustrates the concept or methods used in the manipulation of the human environment for their betterment.

A Rover is typically an instrument that is used to collect life-related information about the dust, soil, liquid components, and even atmospheric air of other planets like Mars.

The complete question is as follows:

Which piece of technology allowed scientists to look for life on Mars?

Therefore, the correct option for this question is B.

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