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Card 6

Front

Pangaea formed and broke up how many years ago?

Back

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Card 7

Front

The extinction of dinosaurs was how many years ago?

Back

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Card 8

Front

The beginning of the last ice age was how many years ago?

Back

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Card 9

Front

The Earth's oldest rocks are found in?

Back

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Card 10

Front

The Earth has how many major plates?

Back

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Card 11

Front

The Earth has how many minor plates?

Back

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Card 12

Front

What is responsible for the movement of the plates?

Back

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Card 13

Front

Which crust is younger?

Back

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Card 14

Front

Gondwana is what?

Back

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Card 15

Front

Carbon dating only goes back how far?

Back

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