Question

what are the main layers of the atmosphere based on chemical composition of the gases?write briefly about the characteristics of these layers

Answer 1

troposphere- lowest layer, more atmospheric disturbances,life supporting layer, clouds formation,temp decreases with height
stratosphere- ozone layer, aeroplanes fly , temp increases with height
ionosphere- radio waves reflect back from this, temp decreases with height
exosphere- topmost layer

Answer 2

Answer:

Nitrogen and oxygen are two gases which make up the bulk of the atmosphere. Carbon dioxide, helium, ozone, argon and hydrogen are found in lesser quantities. Apart from these gases, tiny dust particles are also present in the air.