Question

how is soil permeability related to the application of fertilizers and pesticides?
soil permeability makes pesticides unnecessary and useless.
it has no effect on their application.
highly permeable soil enhances their effectiveness permanently.
highly permeable soil increases risk of contamination into groundwater.

Explanation:

High - permeability soil allows water and dissolved substances like fertilizers and pesticides to move more freely, increasing the likelihood of these chemicals leaching into groundwater. This poses a contamination risk.

Answer:

D. Highly permeable soil increases risk of contamination into groundwater.