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Card 16

Front

What is a performance-enhancing drug?

Back

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Card 17

Front

What is the earths atmosphere made up of?

Back

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Card 18

Front

What is an atom?

Back

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Card 19

Front

What is an element?

Back

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Card 20

Front

What is a compound?

Back

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Card 21

Front

What is: a.the chemical name for limestone and b.what does it react with?

Back

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