Answers

2015-10-21T17:22:11+05:30
Atmosphere is needed because our atmosphere is is mostly consisted Of nitrogen , oxygen & CO2 .

Oxygen is required for human beings to respirate , CO2 is required by plants to respirate

Our atmosphere also protects us from harmful UV & cosmic rays
0
2015-10-22T17:09:10+05:30
Atmosphere protects the earth from intense light and heat.This light and heat
may cause skin disease.Without atmosphere , it would be extremely hot at day and extremely cold at night.
0