Topic 4.4 test - short response questions

IB Environmental Systems & Societies: Topic 4.4 test - short response questions

A quick test to assess understanding of topic 4.4 1. point source pollution could be a sewage pipe or a dead animal. A non point source pollution source could be runoff from fields or unidenified farmyards around the lake.2. A lake should be considered an open system as it has both inputs and outputs of matter and energy e.g sunlight and precipitation.3. Biochemical oxygen demand can be defined as " A measure of the...


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