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Card 6

Front

What moves the plates?

Back

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Card 7

Front

Oceanic crust, continental crust. Which one is more dense?

Back

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Card 8

Front

What is the name of the process that occurs when the 2 plates collide?

Back

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Card 9

Front

Explain the process of subduction.

Back

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Card 10

Front

Why do scientists now accept the plate tectonic theory?

Back

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Card 11

Front

What happend in the 1960s that led to Wegner's continental drift theory becoming accepted?

Back

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Card 12

Front

When are volcanoes caused?

Back

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Card 13

Front

Why does magma rise through the earth's crust?

Back

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Card 14

Front

Why do geologists study volcanoes?

Back

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Card 15

Front

What forms the different types of igneous rocks?

Back

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