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Card 6

Front

Why does the temperature of the mantle increase with depth?

Back

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Card 7

Front

What current slowly moves plates?

Back

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Card 8

Front

How do we know that the oceanic crust is denser than the continental crust?

Back

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Card 9

Front

Describe the proccess of subduction

Back

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Card 10

Front

What does the Plate tectonic theory suggest about Africa and South America?

Back

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Card 11

Front

Why is the theory of Plate tectonics accepted more now?

Back

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Card 12

Front

What theory did Wegener develop?

Back

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Card 13

Front

What led to Wegener's theory becoming accepted?

Back

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Card 14

Front

What causes volcanos?

Back

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Card 15

Front

Why do Geologists study volcanos?

Back

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