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The top documents tagged [carbon cyclecarbon atoms]
(c) McGraw Hill Ryerson 2007 2.2 Nutrient Cycles in Ecosystems Biosphere II Man made environment that is sealed from the outside. Similar to a terrarium
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The activities of living things keep the levels of oxygen and carbon dioxide in the atmosphere balanced… Plants remove… …carbon dioxide from the atmosphere,
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(c) McGraw Hill Ryerson 2007 2.2 Nutrient Cycles in Ecosystems Nutrients are chemicals required for growth and other life processes. Nutrients move through
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