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Animals Message Planet Earth Music Box Silent Night

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Uploaded on Nov 30, 2010

The Planet Earth is only a small part of the universe, but it is the home of Human beings in fact, all known life in the universe.

Animals, Plants, and other organisms live almost everywhere on Earth's surface.

They can live on Earth because it is just the right distance from the sun.
Most living things need the sun's warmth and light for life.

If Earth were too close to the sun, it would be too hot for living things.
If Earth were too far from the sun, it would be too cold for anything to live.

Living things also must have water to live. Earth has plenty. Water covers most of Earth's surface.

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