Q61
What is the main driving force for groundwater movement?
A.
Osmotic pressure
B.
Capillary action
C.
Hydraulic gradient
AnswerD.
Atmospheric pressure
Answer: Option C
Solution
Answer: Option C
Solution:
Hydraulic gradient is the primary force that drives groundwater flow from areas of high head to low head.It results from differences in pressure and elevation in the aquifer.