The Earth, our home planet in the Universe contains a wide variety of life with a huge complexity.It is the home of creatures in the deep oceans, the birds which roam across the sky, animals livings in forests and the insects living beneath the surface of Earth. Earth is the only known planet that can sustain life.Nowhere else life has been found yet.This variety of life on Earth have been made possible by various factors. Without these life on Earth could not have been possible. We will discuss them here. Effects Of Distance From Sun The Earth lives in the habitable zone from the Sun, just far enough so that liquid water, the "universal solvent," can exist to create the chemicals of life. If the Earth were farther from the Sun, it might become like Mars, a "frozen desert," where temperatures have created a harsh, barren surface where water and even carbon dioxide are often frozen Solid. Beneath the surface of Mars one finds a permanent layer of frozen wat
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