How does recycling runoff reduce agricultural pollution?
O A. It increases the amount of water needed.
O B. It keeps soil fertility from diminishing over time.
O C. It decreases the amount of fertilizer needed.
O D. It keeps chemicals from entering the watershed.

Answer

D. It keeps chemicals from entering the watershed

Explanation

Agricultural run off can be described as the disposal of artificial fertilizers , pesticides, herbicides, sewages etc into which drained off into oceans , lakes and ponds with water .

Agricultural run off is recycled , then water will be less polluted , the water therefore be not harmful for usage by the plants/crops & it will make the drained water less contaminated for the Aquatic living in the ocean , rivers , lakes or ponds

i think the answer is b.