Question

Phosphate can be lost from the phosphorus cycle for long periods of time when ____.​

a. ​phosphorus-containing fertilizer is applied to agricultural soil

b. ​bacteria convert it into a gas

c. ​exposed rocks containing phosphate are eroded by running water

d. ​it is taken up by plants

e. ​it is washed into the ocean and deposited as marine sediment

Answer

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