Question

when the particles of impurities are light them _____metuod is used to separate them​

Answer 1

Answer:

Sieving: The process of separating fine particles from the larger particles by using a sieve, is called sieving. This method is used in a flour mill where impurities like husk and stones are removed from wheat before grinding it.

Explanation:

hope it helps ☺️

Answer 2

Answer:

20000000000000000000000000000000000000000000000

Explanation:

because of the gravity of the earht