'Hazards platetectonics' presentation slideshows

Please get out your chapter 1 unit sheet and notes

DO NOW:. Please get out your chapter 1 unit sheet and notes. Unit 2: Geology The Earth. History of the Earth. History of Earth. Geologists believe the earth to be 4.6 billion years old. This belief has been formed after dating layers of rock formations on the Earth.

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BELLWORK

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Geology Bundle 3

Geology Bundle 3. review. Layers of the Earth. Convection currents in the mantle drive the plate to move on the surface. Pangaea. Wegener thought Africa and South America fit just about a perfectly. 2. Evidence for Continental Drift. Sea floor spreading.

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