What Does the DARK BLUE Are on the Map Illustrate

Multiple Choice

What does the DARK BLUE are on the map illustrate?

A) Areas of the High Plains Aquifer that contain the deepest water.
B) Areas of the High Plains Aquifer that have had most of the water removed.
C) Areas of the High Plains Aquifer that have run dry.
D) Areas of the High Plains Aquifer with high saltwater intrusion.