what is the evolution of the earth
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The Earth was formed at the same time as the rest of the solar system by the coming together of materials that were not incorporated into the sun. Life in the form of single-celled algae was present when the Earth was 3.5 billion years old. ...
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The Earth was formed at the same time as the rest of the solar system by the coming together of materials that were not incorporated into the sun. The Earth was very hot (perhaps molten) at first, but quickly cooled off.
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