The Issue Associated with the Ogallala Aquifer Is

Multiple Choice

The issue associated with the Ogallala Aquifer is

A) the annual dead zones are increasing in size, threatening aquatic life.
B) the increase in the amount of human-made toxins entering the aquifer.
C) the rate of extraction of the water has exceeded the rate of replenishment.
D) the aquifer is seeing a greater infiltration of salt water.