In solar system the only planet where life is found is the planet earth, the planet where we live. It is sorrunded with layerof air which is known as atmosphere. It contains 70.6% of hydrogen 28.4% of oxygen 0.6% of carbon dioxide and 0.4% of other gases. Its surface is covered with 30% land and 70% of water.
Earth is oval in shape. It has four layer called crust, mantel, outer core, and inner core. Different types of living being is found on earth. Human being is the only being who have higher knowledge and understanding in planet earth, in other words they are the ruler of earth.
It is also sourrounded by ozone layer which protect earth from enteering unwanted rays like UV (ultra violet) rays which causes skin diseases like cancer.
Earth is only the planet where life is found so, we should protect it from destructive. The earth born itself with natural resources and very bad disasters.
We cannot stop these natural things it comes itself and goes itself. Many different beings exists here, which are not even found. Earth itself is a mystery and its too hard to solve it.
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