Eutrophicated lake has BOD

lower

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higher

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dependent on climate

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may be lower or higher

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Solution

The correct option is B higher
Eutrophicated lake (polluted water) has higher Biochemical Oxygen Demand (BOD), it is the amount of O2 in mg required to decompose organic matter present in one liter of heavily polluted water. Eutrophication is an increase in nutrients in water due to detergents, pesticides and it leads to organic loading, depletion of O2, etc.

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