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Card 16

Front

what materials are made from sand?

Back

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Card 17

Front

what rock can be extracted from the earth?

Back

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Card 18

Front

whats an example of a sedimentary, metamorphic and igneous rock?

Back

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Card 19

Front

whay is the word and symbol equation when calcium carbonate breaks down into carbon dioxide and carbon oxide

Back

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Card 20

Front

what type of reaction is it when calcium carbonate is heated?

Back

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Card 21

Front

what elements can be heated together to make cement?

Back

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Card 22

Front

what type of effect do quarries have on the environment?

Back

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Card 23

Front

how can copper be extracted?

Back

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Card 24

Front

whats the word equation for extracting copper by heating it with carbon?

Back

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Card 25

Front

is it true or false that extracting copper by heating it with carbon dioxide is more expensive?

Back

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