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Precambrian

earth science Maturity 11-13

Earth is very old.

Temagami greenstone belt pillow lava.jpg
Temagami greenstone belt pillow lava.jpg
Long ago, the world was new. It was very different then. We study old rocks to learn. This helps us know our home. Do you like old rocks?

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File:Temagami greenstone belt pillow lava.jpg
Temagami greenstone belt pillow lava.jpg
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