Introduction to Earth.
Introduction to Earth The Earth is terrestrial planet and third in position in solar system. It is the only place where we know upto now to support life. It has atmosphere, water, food and etc. to support life on it. I t appears blue from space so it is also known as blue planet. About 1/4 is land and 3/4 is water. There are many species living here. So today was only introduction to Earth next days I will post more informative and interesting posts.