Question

a mixture of sand , pebbles and gravel can be separated by

Answer 1

A mixture of sand, pebbles, and stones can be separated by the process of sieving. Fine sand particles pass through the holes of the sieve, while bigger impurities such as stones and gravel remain on the sieve

Answer 2

A mixture of sand, pebbles, and stones can be separated by the process of sieving. Fine sand particles pass through the holes of the sieve, while bigger impurities such as stones and gravel remain on the sieve.
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