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Card 6

Front

What was the Earth's atmosphere like 1 million years ago?

Back

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Card 7

Front

Name a way to reduce pollution.

Back

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Card 8

Front

What is a catalytic converter?

Back

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Card 9

Front

What is the chemical reaction for a catalytic converter?

Back

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Card 10

Front

What is wet scrubbing?

Back

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Card 11

Front

What are the two processes of wet scrubbing?

Back

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Card 12

Front

What is combustion?

Back

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Card 13

Front

What does combustion require?

Back

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Card 14

Front

What is complete combustion?

Back

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Card 15

Front

What is the chemical reaction to show complete combustion?

Back

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