Tagged: Atmosphere importance

March 22, 2015

The properties, source and cycle of oxygen gas

The atmosphere contains oxygen gas that necessary for the respiration process, It is a mixture of gases surrounding the Earth, It is attracted to Earth by gravity, It protects the Earth by absorbing ultraviolet...

Earth and Universe

July 1, 2014

Components of Earth’s atmosphere and Importance of them

Do you know what is the Earth’s atmosphere? The Earth’s atmosphere is composed of a mixture of the different gases that make life on the Earth possible. Components of the atmosphere The atmosphere is...