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12-01-2015
Chemistry

Answered

It seems that the earth is the only planet that can support life as we know it. Which of these is a characteristic of the earth that allows it to support life?

Answer :

13-01-2015

Water on earth can exist in all 3 states: solid, liquid, and gas.
Earth is just the right distance from the sun so that temperatures are ideal for living organisms.
Earth has a protective atmosphere shielding the planet from harmful UV and X rays.

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