Question

(e) How clean air is helpful to us?​

Answer 1

Answer:

'Clean air' is air that has no harmful levels of pollutants in it and is safe to breathe. Air with dirt and chemicals in it is harmful to breathe in and can cause a wide array of health defects and problems (which we'll cover later).

Answer 2

Answer:

if we get clean air.. it means we get good oxygen.. we live good life.. healthy life....