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Geohisto-wha?. a review for my students. Time period? (name of). Carboniferous. 2 facts about carboniferous time period. Time period?. cretaceous. 2 facts about. Time Period?. Devonian. 2 facts about?. era?. Precambrian. 2 facts about. Time Period?. Video. Silurian. time period?.
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Geohisto-wha? • a review for my students
Time Period? • Video
How is this feature formed? • http://www.youtube.com/watch?v=Y2tm40uMhDI&feature=relmfu
Explain why 90 % of the worlds earthquakes and volcanoes occur here
List 6 features that form due to plate tectonics and include the types and movements of crust involved
Suppose you have a rock that began with 200 grams of U238, how much Lead would you have after 2 half lifes?
135 Million Years Ago • What did the Tethys Sea do?
When did this form (name),Who came up with name?Another event from time period
If 100.0 g of carbon-14 decays until only 25.0 g of carbon is left after 11 460 y, what is the half-life of carbon-14?