Question

define previous rocks and impervious​

Answer 1

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The rocks that do not permit water to pass through them freely are known as Impervious Rocks.Rock which allows water to pass through it due to cracks or defects are known as pervious rocks.

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Answer 2

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The rocks that do not permit water to pass through them freely are known as Impervious Rocks.Rock which allows water to pass through it due to cracks or defects are known as pervious rocks.