How does the phosphorous cycle differ from the nitrogen cycle and the carbon cycle?

Answer 1

The phosphorous cycle does not include the atmosphere.

The phosphorous cycle does not include an atmospheric component because phosphorous does not cycle through the atmosphere. In comparison, important processes of the carbon and nitrogen cycle occur in the atmosphere (compare three images below).

Phosphorous cycle:

Carbon cycle:

Nitrogen cycle:

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Answer 2

Lydia Adams

The phosphorous cycle lacks a gaseous phase, unlike the nitrogen and carbon cycles. Phosphorous primarily moves through sedimentary rocks, soil, water, and organisms, with weathering and erosion playing crucial roles.

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Answer from HIX Tutor

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.