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Environmental Issues
Question
Excessive nutrients in a fresh water body cause fish mortality. Give two reasons
Solution
The presence of large amounts of nutrients in the water bodies lead to excessive growth of algae and cause Algal bloom. The algal blood leads to deterioration of the quality of water, reduces dissolved oxygen and the hence leads to fish mortality.
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Some More Questions From Environmental Issues Chapter
In the scrubber in the electrostatic precipitator the gases are passed through :
Ozone depletion will cause :
The meaning of BOD is :
Which of the following pollutants is not produced by exhaust of motor vehicles ?
What is the term for the inflammation of cornea due to high absorption of UV-B radiation :
Smog is a mixture of :
WHO’s recommendations about the industrial noise limit is of :
Which of the atmospheric layer contains ozone layer ?
The amount of dissolved oxygen required by the microorganisms to degrade the organic wastes present in water is called ?
The cause of acid rain is :
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