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A farmer wants to build a pond for her cows. What step must she take in order to build the pond?
A. Dig into the zone of aeration.
B. Place a permeable material on the ground.
C. Keep the soil moist.
D. Place an impermeable material on the ground.

Sagot :

Answer:

Option A:

Dig into the zone of aeration

Explanation:

Within the lithosphere of the earth's surface, the zone of aeration is the zone directly above the water table, with a lot of pore spaces within the rocks. These pore spaces contain air and water, which can be used to water the cows.

Once the zone of aeration has been dug into, the farmer can tap into the underground reserve of water, which is stored within the pores of rocks. This water can now sip into the hole that was dug up by the farmer, forming a pond for the cows.