Question

how is soil formed and what are the causes
1.soil pollution
2.water pollution
3.air pollution

Answer 1

soil is formed because of weathering of rocks . it is divided in three process
chemical weathering , biological weathering , physical weathering.

soil pollution

it is a process when top soil is eroded totally.

water pollution

It always happen when water gets dirty.

air pollution

it always happen when air gets dirty.