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Which of the following human activities can cause eutrophication of lakes?

Question 10 options:

1)

adding fertilizer to soil


2)

mining


3)

deforestation


4)

burning of fossil fuels

Respuesta :

Answer: 1) Adding fertilizers to soil

Explanation: Eutrophication is the presence of excess mineral and nutrients in water bodies which result into increased plant and algal growth.

Fertilizers containing nitrogen and phosphorus are used to make soil more fertile in farming.  The overuse of fertilizers can cause these nutrients to runoff the farmer's fields and enter water bodies, thus leading to eutrophication.

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