GEOLOGY

EARTH SCIENCE

GROUNDWATER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A city worker is trying to dig to reach the water table. She knows the unsaturated zone in the area is four feet thick and the saturated zone is another five feet thick before an impermeable granite layer is reached. How deep will she have to dig to reach the water table?
A
two feet
B
four feet
C
five feet
D
nine feet
Explanation: 

Detailed explanation-1: -in the given case, unsaturated zone is four feet thick, and the saturated zone is another five feet in thickness, and it is known that the water table is found at the top of the saturated zone. so, the city worker would need to dig 5 feet to reach the water table.

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