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What causes continental drift and plate tectonics?
Copyright © 2010 Ryan P. Murphy
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• Convection: Vertical circulation in which warm rises and cool sinks. Flow of heat by this circulation.
Copyright © 2010 Ryan P. Murphy
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Copyright © 2010 Ryan P. Murphy
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• Which colored arrows are incorrect based on the convection current patterns and plate movements below?
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• Answer! The blue arrows. The plates should be moving toward each other.
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• Answer! The blue arrows. The plates should be moving toward each other.
Copyright © 2010 Ryan P. Murphy
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• Try Again! Which colored arrows are incorrect based on the convection current patterns and plate movements below?
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• Answer! The purple arrows should be diverging instead of converging.
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• Answer! The purple arrows should be diverging instead of converging.
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• Try Again! Which colored arrows are incorrect based on the convection current patterns and plate movements below?
Copyright © 2010 Ryan P. Murphy
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• Answer! The light grey arrows should be diverging instead of converging.
Copyright © 2010 Ryan P. Murphy
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• Answer! The light grey arrows should be diverging instead of converging.
Copyright © 2010 Ryan P. Murphy