Producers and Decomposers
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“Plants use up carbon dioxide and give off oxygen. Animals use up oxygen and give off carbon dioxide.” These statements describe a very simple and commonly held belief about the balance of gases in the ecosystem. Experiments, however, suggest that the processes involved are extremely complicated, and a careful review of Chapter 1 and the accompanying figures will emphasize this.
KeywordsCarbon Dioxide Chemical Oxygen Demand Biochemical Oxygen Demand Laboratory Activity Yeast Culture
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