The main source of phosphorus is in:

A. rocks

B. water

C. plants

D. the atmosphere

A. rocks

Explanation: The largest source or reservoir of phosphorus on earth is sediments, typically sedimentary rocks.

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers

b. to discover aspects of the natural world.

hopefully i .