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Card 6

Front

What happens when the sunspot activity is at minimum?

Back

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Card 7

Front

How does volcanic activity affect climate change?

Back

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Card 8

Front

What are the three human causes of climate change?

Back

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Card 9

Front

How much carbon dioxide contributes to the greenhouse effect?

Back

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Card 10

Front

Name 2 examples of where carbon dioxide comes from

Back

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Card 11

Front

How much methane contributes to the greenhouse effect?

Back

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Card 12

Front

Name 2 examples of where methane comes from

Back

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Card 13

Front

Name 2 examples of where nitrous oxides come from

Back

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Card 14

Front

Why are carbon dioxide levels increasing?

Back

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Card 15

Front

Why are methane levels increasing?

Back

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