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Card 36

Front

Parasitism

Back

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Card 37

Front

Pollution (H)

Back

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Card 38

Front

Population

Back

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Card 39

Front

Potable Water

Back

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Card 40

Front

Predators

Back

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Card 41

Front

Prey

Back

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Card 42

Front

Pyramid of Biomass

Back

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Card 43

Front

Quadrat

Back

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Card 44

Front

Reforestation

Back

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Card 45

Front

Reverse Osmosis

Back

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