Question

_____________is used to separate stones and pebbles from sand at construction sites​

Answer 1

Answer:

Sieves

Explanation:

Sieves are used at construction sites to separate pebbles and stones from sand.

Sieves are also used to separate fine flour particles from the bigger impurities.

Answer 2

Answer:

Sieves

Explanation: 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.