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Card 6

Front

6. how does limestone trap carbon?

Back

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Card 7

Front

7. How did oxygen levels increase?

Back

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Card 8

Front

8. what is the balanced symbol equation for photosynthesis

Back

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Card 9

Front

9. What is today's atmosphere like?

Back

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Card 10

Front

10. what are the greenhouse gasses?

Back

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Card 11

Front

11. what is the greenhouse affect? *revise more

Back

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Card 12

Front

12. How do humans increase the amount of greenhouse gases?

Back

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Card 13

Front

13. what are the consequences of climate change?

Back

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Card 14

Front

14. what is carbon footprint?

Back

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Card 15

Front

15. how can we reduce our carbon footprint?

Back

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