More cards in this set

Card 16

Front

Dendrochronology

Back

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Card 17

Front

Greenhouse Gas

Back

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Card 18

Front

Natural Selection

Back

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Card 19

Front

Reproductive Isolation

Back

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Card 20

Front

Speciation

Back

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Card 21

Front

Carbon Cycle

Back

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Card 22

Front

Biofuels

Back

Preview of the front of card 22