Question

what process can cause water in aquifers to become brackish and unusable for agriculture?

A) volcanic activity

B) eutrophication

C) erosion

D) groundwater infiltration

Answer 1

groundwater infiltration, D

Answer 2

Answer: Groundwater Infiltration

Explanation:

Groundwater infiltration cause seawater to flow into dried-out aquifers that were used for drinking water. This makes these aquifers unusable for agriculture.