What is the natural ageing of a lake called ? How is it caused ? Write the impact of uncontrolled human activities on it ? 

 

 

Answers (1)

Natural ageing of the lake is called eutrophication.

Eutrophication caused due to regular accumulation of organic matter over a period of time.

Due to uncontrolled human activities like deposition of waste into the water bodies, there is an increase in the organic matter. Thus polluting the water.

The human activities accelerated the accumulation of organic matter, thus resulting in early ageing of the lake which is known as accelerated eutrophication.

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