Thursday, October 4, 2012

The atmosphere

                                  The atmosphere

Atmosphere is the one where we find essential gases like oxygen . The atmosphere is held in its position above the ground level by gravitational force of planet Earth. If this force is not there, then it would be difficult to find these gases in a single place.
The gas which is the main source of food is carbon di oxide (CO 2). It is very surprising to know that this gas is mainly responsible for the existence of food chains . The isotope of oxygen which is known as ozone (O3) is also present in atmoshere.
Ozone layer is the one which is protecting us from mutations of genes which may occur by over explosure to IR rays of Sun. As we move to higher altitude, we feel difficult to breathe because atmosphere gets thinner .There is an isotope of CO2 too.
It is diamond. When CO2 gas gets compressed in high pressure, it gets convert into diamond, which is a precious stone.

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