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Groundwater Quiz

4. 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.

How deep will she have to dig to reach the water table?

A. Two feet
B. Four feet
C. Five feet
D. Nine feet



Answer :

GinnyAnswer

Final answer:

Explanation of groundwater zones and depth to reach the water table.


Explanation:

Groundwater and Water Table Explanation:

The water table is the boundary between the unsaturated and saturated zones. The unsaturated zone has pore spaces filled with air, while the saturated zone has pore spaces filled with water. Digging to reach the water table means going from the unsaturated to the saturated zone.

Answer:

Nine feet - The city worker will have to dig nine feet to reach the water table, as the unsaturated zone is four feet thick, and the saturated zone is five feet thick before reaching the water table.


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