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Card 6

Front

How did the earth change ? - part 2

Back

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Card 7

Front

How can Geologists use magnetic clues in rocks to document the movement of continents ?

Back

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Card 8

Front

How does magnetisation show the change in the line up of the directions of the earth's magnetic field ?

Back

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Card 9

Front

How does magnetisation vary ?

Back

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Card 10

Front

what does magnetisations support ?

Back

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Card 11

Front

What is sustainability ?

Back

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Card 12

Front

How can PVC be disposed ?

Back

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Card 13

Front

How can PVC be disposed ?

Back

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Card 14

Front

What is the problem with Energy Recovery ?

Back

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Card 15

Front

what is a major problem with recycling PVC ?

Back

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