How does recycling runoff reduce agricultural pollution?

A. It keeps soil fertility from diminishing over time.

B. It decreases the amount of fertilizer needed.

C. It increases the amount of water needed.

D. It keeps chemicals from entering the watershed.

D. It keeps chemicals from entering the watershed.

Recycling runoff involves capturing and treating wastewater from agricultural activities before it enters waterways. By preventing these chemicals from reaching the watershed, recycling runoff helps reduce agricultural pollution and protect water quality.