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Card 6

Front

what are convection currents caused by?

Back

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Card 7

Front

whats magma also known as?

Back

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Card 8

Front

what is subduction?

Back

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Card 9

Front

what scientist began the theory that the earth changes?

Back

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Card 10

Front

how do volcanoes form?

Back

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Card 11

Front

where is weakness in the earths crust?

Back

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Card 12

Front

what is the volcanic soil like?

Back

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Card 13

Front

how is igneous rock formed/

Back

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Card 14

Front

what is extracted from ores?

Back

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Card 15

Front

how is brick made?

Back

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