raquelguerrero6600 raquelguerrero6600
  • 04-04-2014
  • History
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three things scientists learned about earth in beginning of 1800s

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mortnc77 mortnc77
  • 07-04-2014
They learned the earth was much older than they had previously thought.
Gradual processes changed the earth's surface.
Fossils could tell the age they came from.
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