The following diagram shows part of a river into which sewage was dumped. Some of the effects of adding sewage
to the river are shown in graph.
a) At which point in the river are decomposers most active?
b) What happens to the oxygen level of river at that particular point?
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When energy is used, atp molecules convert to adp molecules. this process is called
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The following diagram shows part of a river into which sewage was dumped. Some of the effects of add...
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