Question

Adding harmful substances to land water and air is called

Answer 1

Addi g harmful substances to air or water is called Pollution in case of air it is air pollution in case of water it is water pollution......some pollutants for Aire are CO2 , Smoke and some for water are Plastic,Faeces

Answer 2

ANSWER:

POLLUTION

EXPLAINATION:

Adding harmful substance to land, water and air is called Pollution