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GRADE 6 REVISION: UNIT 2
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Snake, Owl, and Snail
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True
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Cat
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Glucose and Oxygen
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Cactus & Algae
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Reduce
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Caterpillar - Bird
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Landfill
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Sulfur Dioxide, Nitrogen Dioxide, and Carbon Monoxide
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compost
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True
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False
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c. Trees reduce the amount of CO2 that causes the greenhouse effect
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Forest fires
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Harmful
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Reuse
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