All of the Following Are Ways Humans Interfere in the Phosphorus

Multiple Choice

All of the following are ways humans interfere in the phosphorus cycle except

A) erosion from fertilized crop fields, lawns, increases phosphate ions in streams
B) increasing phosphate levels in tropical forests by clearing forests
C) removing large quantities of phosphate from the earth for fertilizer
D) stimulating aquatic systems to overproduce through runoff of phosphate ions
E) all of these interfere in the phosphorus cycle