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5 Cards in this Set
- Front
- Back
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continental drift
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By wegener in 1912 a hypothesis that all the continents were once joined as a super continent Pangaea which broke apart 250 million years ago and moved to were they are now
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pangaea
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wegener hypothesis that the continents once formed part of a single landmass
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Panthalassa
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meaning all seas and it is when all the bodies of water were formed as one
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Mid atlantic ridge
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Mid ocean ridge that run down the middle of the Atlantic ocean
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mid ocean ridges
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were magma from the mantle rises to earth's surface and creates new ocean crust (Sea Floor Spreading). At Divergent Boundaries.
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