History, asked by rakesh21102009spspha, 1 month ago

what is sand and gravel​

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Answered by gangwarshrey4
0

Sand is a granular material derived from the erosion of rocks, ranging in size from 0.075 mm to 4.75 mm. ... Gravel is a granular material derived from the erosion of rocks, ranging in size from 4.75 mm to 75 mm. Gravel particles are larger than sand but smaller than boulders

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