More cards in this set

Card 36

Front

What is the structure of the earth?

Back

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Card 37

Front

What does the thickness of a thin crust varie between?

Back

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Card 38

Front

How far does the mantle extend?

Back

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Card 39

Front

What is the inner and outer made out of?

Back

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Card 40

Front

What was one of the first tectonic theory?

Back

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