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Week 3 Quiz
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First
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1. Which of the following is not part of the water cycle?
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Percolation
Respiration
Evaporation
Run-off
Precipitation
2. Briefly explain the roll of green plants in the Carbon Cycle.
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3. Nitrogen must be converted into ____________ to be used by green plants, to make protein.
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Nitrous gas
Ammonia
Nitrates
Combustion
Dead cows
4. How do you think the three different cycles of matter effect ecosystems?
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