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gladu [14]
3 years ago
14

What is the independent variable?

Biology
2 answers:
aniked [119]3 years ago
6 0

Answer:

C.

Explanation:

Independent variables are variables that you change so that the outcome is changed. I.e., if I was testing if my dog liked apples and oranges, the independent variable would be the fruits while the dependent variable would be the outcome of whether my dog liked it or not.

choli [55]3 years ago
3 0

Answer: dog food brand

Explanation: it doesn’t depend on weight of dog, type of dog, etc.

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According to the diagram below, what type of organism converts atmospheric nitrogen (N2) to ammonia (NH3) and then to nitrites (
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Answer: Nitrogen-fixing Bacteria

Explanation:

In the Nitrogen cycle, nitrogen fixing bacteria are very important in ensuring that plants get nitrogen to enable them grow and as animals have to eat plants, these bacteria are essential for our survival as well.

Plants are unable to use atmospheric nitrogen but nitrogen-fixing bacteria are able to synthesize ammonia from atmospheric nitrogen. They can then convert this to Nitrites and Nitrates which are more useful to plants and animals by extension.

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Which of these involves the cell membrane?<br> waste products leaving cells<br> respiration
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How can you identify a tap root system?
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The tap root system is one type of root system in which a primary root known as the radicle branches into smaller roots known as the secondary roots. The answer to this problem hence is C. <span>.there is a prominent primary root from which secondary roots branch out</span>
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Why is water pollution a concern if water is continuously cycled through Earth’s systems?
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3 years ago
Air pollution is effecting national Park in which way
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<h2>Fighting for Clean Air in our National Parks</h2>

Air pollution is one of the most serious threats facing national parks, harming visitors’ health, clouding scenic views and altering our climate. The air pollution affecting national parks — and the rest of the country — results from the burning of fossil fuels by power plants, oil and gas development, vehicles, agriculture, industrial emissions, and other sources. NPCA works to make sure our nation’s air laws are strong, to hold polluters and government accountable to those laws, and ultimately, to reduce the air pollution that harms our parks, climate and communities.

<h2>Defending Federal Laws and Regulations </h2>

The Clean Air Act – which has helped improve air quality throughout the nation and the National Park System – is now under consistent threat as the Environmental Protection Agency works to roll back regulations, attack the use of science and offer polluters loopholes. NPCA advocates to defend and strengthen the clean air laws that protect park skies. We speak out for science and guard against policies driven only by politics and private industry.

<h2>Holding Polluters and Governments Accountable </h2>

Picture park skies free of pollution. While this sadly isn’t the case today, NPCA strives to make sure that parks are on the right track and that air pollution harming parks is reduced. We do this by helping to secure strong state plans to limit haze-causing and climate-altering pollution, and by defending existing plans – in court, if necessary.

<h2>Advocating for Pollution Reduction</h2>

Clean air laws are meaningless if polluters and the government don’t follow them. NPCA vigilantly monitors for sources that violate their permits or when officials aren’t following through on the safeguards in place to protect parks. We also look for opportunities to collaborate and work in state, local or regional processes to prevent threats of new pollution and help reduce harmful emissions. Learn about our work in California and Utah.

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