Which material would form the best aquitard?
A. Sandstone
B. Gravel
C. Clay
D. Fractured limestone
Answer: Option C
Solution (By Examveda Team)
Clay has very low permeability, making it an excellent aquitard, which restricts the flow of groundwater.It effectively limits vertical movement of water between aquifers.Related Questions on Groundwater and Hydrogeology
What is the zone called where all the pores are completely filled with water?
A. Capillary zone
B. Aeration zone
C. Saturated zone
D. Vadose zone
The upper surface of the saturated zone is known as:
A. Water table
B. Capillary fringe
C. Aquiclude
D. Artesian surface
A. Rock that does not hold water
B. Layer that restricts water flow
C. Permeable rock that stores and transmits water
D. Layer that absorbs contaminants

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