Rocks, pots and fossils!
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Where did Earth's Oxygen come from?
Started by CliffordK |
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When was a day 22 hours?
Started by geo driver |
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Puzzeled for Years by this!
Started by abutawnee |
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When did Homo Lose His Fur?
Started by AndroidNeox |
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Can some one identify this rock?
Started by JRajotte |
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Can rocks get worms?
Started by CliffordK |
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WHAT IS THIS WHITE ROCK PLEASE?
Started by mia531 |
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How do earthquakes occur away from plate boundaries?
Started by Sean McCandless |
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NY Earthquake Hazards
Started by Steelycascade95 |
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How did dry land form?
Started by Don_1 |
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How old is the Grand Canyon?
Started by thedoc |
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When did human language first evolve?
Started by thedoc |
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what kind of rock or mineral is this
Started by mussina |
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Why is most land north of the equator ?
Started by neilep |
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How do hollow rocks form?
Started by jrobi |
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