Question

Write any two difference between pure air and polluted air

Answer 1

Explain the differences between pure air and polluted air. Answer: ... When this composition of air is altered by the addition of harmful substances or gases such as nitrogen dioxide, sulphur dioxide, carbon monoxide, and particulate matter, then the air is said to be polluted.

Answer 2

pure air is a type of air which free from any dangerous particles is good for breathing in for example oxgyen gas while polluted air is the one which have got undesirable particles in them and is undesirable for  breathing in for example carbondioxiode gas