Tagged: oxygen gas importance

April 5, 2015

Importance and uses of oxygen gas, What is oxygen used for in our daily life?

Oxygen is a chemically active element. It is the first element of group 16 of the periodic table. It is important for human and all living organisms as it is used in respiration and...

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...