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Geography Categories
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| Definition Of: |
Mississippian
Geologic period that occurred roughly 320 to 360 million years ago. During this period, insects undergo major speciation and ferns first appear. Trees become a dominant plant form on continents.
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Physical Geography Dictionary INDEX:
List of Terms: Terms beginning with "A", Page 1 |
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Page Number:
1 2 A: Page 1 of 2.
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