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plate tectonic
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hamza04
DATE:
May 26, 2016, 11:20 p.m.
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• Tectonic cycle
– Movements/ interactions by which rocks are cycled from the mantle to the crust and back
– Includes earthquakes, volcanism, and plate motion, driven by convection in the mantle
– As a result, seafloor recycles itself every 200 million years
• Earth’s internal heat
– Conduction
• Slow release of heat
– Convection
• A form of heat transfer in which hot material circulates from hotter to colder regions, looses its heat, and then repeats the cycle
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