Q83
What is the primary cause of saltwater intrusion in coastal aquifers?
A.
Heavy rainfall
B.
Over-pumping of groundwater
AnswerC.
Seismic activity
D.
Increased vegetation
Answer: Option B
Solution
Answer: Option B
Solution:
Over-pumping of groundwater in coastal areas causes a pressure imbalance, allowing saltwater to migrate inland and contaminate freshwater aquifers.