What would happen if you tried to recharge the aquifer again after

subsidence had occurred? Would you be able to fi ll it with as much water
as was there originally? What will be an ideal response?


No. As soon as subsidence occurs, the alignment of the grains in the aquifer changes.
Porosity and permeability decrease in the aquifer during compaction, and therefore it
would not be possible to fi ll it with as much water as there was originally.

Environmental & Atmospheric Sciences

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A. 0.5 million; 1 million B. 1 million; 1.6 million C. 0.6 billion; 1 billion D. 795 million; 2.1 billion E. 1.6 billion; 2 billion

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Most fish need a minimum of ________ parts per million of dissolved oxygen in seawater to survive for long periods

A) 0.4 B) 4 C) 40 D) 400 E) 4,000

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Surface or wind-drive currents move water primarily in a vertical direction in the ocean.

a. true b. false

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The most important fluid promoting metamorphism is ____________________. Fill in the blank(s) with the appropriate word(s)

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