Why is the nitrogen cycle important to life?
The nitrogen cycle is important because all living things require nitrogen.
Nitrogen is required for all living things. It is a component in DNA and RNA, proteins, ATP, and chlorophyll in plants.
Disrupting the nitrogen cycle can lead to a range of negative effects. For example, eutrophication is caused by an excess of nitrogen in aquatic systems. An increase in atmospheric nitrogen can contribute to acid rain.
Most ecosystems are well-adapted to low levels of nitrogen, because naturally most nitrogen is not biologically available. When humans drastically increase the amount of nitrogen available, though vehicle exhaust, fertilizers, and so forth, ecosystems are thrown off balance.
You can read more about the changing nitrogen cycle here.
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The nitrogen cycle is important to life because it ensures that nitrogen, an essential nutrient, is continuously recycled and made available to living organisms. Nitrogen is a key component of proteins, nucleic acids, and other biomolecules necessary for the growth and function of organisms. Without the nitrogen cycle, nitrogen would become depleted from ecosystems, limiting the growth of plants and ultimately affecting the entire food chain.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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