The Ozone Layer The ozone layer is part of the atmosphere of the Earth. The Earth's atmosphere is a mixture of gases that surround it, they are held around the Earth by the effect of gravity. The atmosphere provides protection to life on Earth, without it the changes in temperature during ...

OZONE LAYER The ozone is made from oxygen, but for billions of years there was no actuall oxygen in the earth's atmosphere. The earth's primitive atmosphere is said by scientist that it was composed of water vapor,carbon dioxide,sulfur dioxide, nitrogen,and other gases released by volcanic and oth...