What makes the phosphorus cycle different from the carbon cycle?

a. Phosphorus is abundant throughout the biosphere, and carbon is not.

b. Unlike phosphorus, carbon can only be used once, and then the cycle stops.

c. Phosphorus is not abundant in the atmosphere, it comes mostly from the land and ocean.

d. Phosphorus relies on phosphorus-fixing bacteria to make it usable by plants.

Question

Biology

Karlee Kramer

1 July, 10:08

What makes the phosphorus cycle different from the carbon cycle?

a. Phosphorus is abundant throughout the biosphere, and carbon is not.

b. Unlike phosphorus, carbon can only be used once, and then the cycle stops.

c. Phosphorus is not abundant in the atmosphere, it comes mostly from the land and ocean.

d. Phosphorus relies on phosphorus-fixing bacteria to make it usable by plants.

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Answers (1)

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Rhys Todd · Answer 1

The answer is c. Phosphorus is not abundant in the atmosphere, it comes mostly from the land and ocean. Phosphorus cycle through the lithosphere, hydrosphere, and biosphere, but not the atmosphere. The reason for this is that phosphorus cannot be found in the gas state, unlike the carbon.