Question

Consider the aquatic phosphorus cycle. On land most phosphorus is found in rocks and minerals. In the oceans, phosphorus is deposited from decomposition, excretion from animals, run-off from the land, and finally ______________ of rocks and minerals. A) deposition B) identification C) reformation D) weathering

Answer 1

D)Weathering

Weathering of rocks and minerals release phosphorus in a soluble form where it is taken up by plants, and it is transformed into organic compounds.

Answer 2

D) Weathering

Over time, rain and weathering cause rocks to release phosphate ions and other minerals.