Phosphorous Cycles Rapidly Through the Food Web as _______

Phosphorous cycles rapidly through the food web as _______. (Select all that apply)

A) Microbes like Bacillus, Pseudomonas, and Rhizobium convert phosphorous into soluble compounds
B) Plants take up the soluble compounds and pass them on to herbivores
C) Decomposition of dead organisms return phosphorous to the soil and water
D) Acid secretion by mycorrhizae elevates soil pH, improving solubility of phosphorous compounds