Question

One can easily rays his hand in air than sand give reason​

Answer 1

because there air is gaseous and molecules of gas have a large vacant so we can move our hand in air but soil is solid and molecules of soil have small vacant spaces so we find it difficult to move our hands

Answer 2

Because in sand there is more force of attraction then Hawa because sand is in the state of liquid but Hawa mostly contains of gas and following the property of solid and gas I think my answer is justified