以'' the earth''为题写一篇英语小短文

The earth is our solar system from inside to outside the third planet in the solar system is also,the diameter of the quality and the most dense planets.Living in the human being on the earth and often call earth for the world.The earth is the home of the millions of species,including mankind.The earth is the humanity know the existence of life in the universe of the heavenly bodies.The earth was born in 4.54 billion years ago,and the life was born in earth was born after 1 billion years.Since then,the earth's biosphere changed the atmosphere and other environment,make the creatures need oxygen to be born,also make the ozone layer formation.The ozone layer and the earth's magnetic field blocks from the universe together the harmful rays,protect the land of the living.The earth's physical properties,and its geological history and rail,making the earth