Using the main points and examples from the lecture describe aquifer.

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Using the main points and examples from the lecture describe aquifer.

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An aquifer is an underground layer of water-bearing rock. Water-bearing rocks are permeable, meaning that they have openings that liquids and gases can pass through. Sedimentary rock such as sandstone, as well as sand and gravel, are examples of water-bearing rock. The top of the water level in an aquifer is called the water table.


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