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Stats Activity - Topic 4.4 - Water pollution (answers)

This page provides answers to the activity looking at some statistics on Biochemical Oxygen Demand (BOD), covered in Topic 4.4. This activity helps you practice Tool 3: Mathematics and Inquiry 2: Collecting and Processing Data. Investigation Biochemical Oxygen Demand (BOD) represents the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter. Although it is small, the...

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