If the biochemical oxygen demand (bod) of a lake is very high, how will that affect the aquatic life in the lake? view available hint(s) if the biochemical oxygen demand (bod) of a lake is very high, how will that affect the aquatic life in the lake? there will be more oxygen available for the aquatic life but much less oxygen available to the microbial populations. there will be less oxygen available for the aquatic life due to the microbial activity. there will be more oxygen available for the aquatic life due to the microbial activity. the bod does not have an impact on available oxygen in the lake.

The answer is ‘there will be less oxygen available for the aquatic life due to the microbial activity’. Too much microbial activity utilizes the oxygen dissolved in the water hence making the waters anoxic. This occurs especially after algae blooms. When the algae grow exponentially and later die, microbes that oxidize the organic matter for energy utilize the oxygen and cause dissolved oxygen in the water to deplete. This hence suffocates other aquatic life.

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one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.