NO LINKS PLEASE What is a major difference between the nitrogen and phosphorus cycles? O A. Animals excrete only phosphorus-containing compounds to add to the cycle. O B. Soil erosion removes only phosphorus

NO LINKS PLEASE

What is a major difference between the nitrogen and phosphorus cycles?

O A. Animals excrete only phosphorus-containing compounds to add to the cycle.

O B. Soil erosion removes only phosphorus from its cycle in terrestrial ecosystems.

O C. Only nitrogen is added to its cycle from fertilizers.

OD. Only nitrogen exists as a gas for part of the cycle.

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NO LINKS PLEASE What is a major difference between the nitrogen and phosphorus cycles? O A. Animals excrete only phosphorus-containing compounds to add to the cycle. O B. Soil e…

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