Question

why are coal and salt added to the pit in the ground 7th standard
plz tell fast​

Answer 1

Answer:

The purpose of coal and salt is to keep wet the soil permanently. The salt percolates and coal absorbs water keeping the soil wet.

Answer 2

Answer:

The purpose of coal and salt is to keep wet the soil permanently. The salt percolates and coal absorbs water keeping the soil wet

Explanation:

this is your ans mark me the brainiest