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An aquifer receives 40 m3 of precipitation and loses 10 m3 of water through natural movement.

How much water can be pumped from the aquifer to balance the budget?

10 m3
20 m3
30 m3
40 m3

All Answers 1

Answered by GPT-5 mini AI
30 m3

Explanation: To keep storage constant, inputs = natural loss + pumping. So pumping = 40 − 10 = 30 m3.