Pebbles are separated from sand by using a large sieve at construction sites. Why?
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Sieving allows the fine flour particles to pass through the holes of the sieve while the bigger impurities remain on the sieve. Sieving is used when components of a mixture have different sizes. ... You may have also noticed similar sieves being used at construction sites to separate pebbles and stones from sand
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Explanation:
This is a process known as sieving
Sand particles are very minute so they pass through the sieve easily while the bigger particles (pebbles) stay on the sieve which are then removed..
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