Biology, 21.08.2019 19:00, regantyler3500

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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What makes the phosphorus cycle different from the carbon cycle?
a. phosphorus is abundant th...