Question

The grains which fall vertically down on the ground in the process of winnowing are​

Answer 1

Answer:

Winnowing is the process of separating wheat or rice grains from the husk. Wheat grains and husk are different in weight, husk is lighter than wheat. When the mixture is allowed to fall down from a height, the wind carries the lighter husk with it and the heavy wheat grains fall vertically down on the ground.

Answer 2

Answer:

strong air push dust particles