32. Which of the following does NOT cause eutrophication?
a. Runoff of oil from roads
c. Runoff of manure from farms
b. Runoff of fertilizers from neighborhoods
d. Excessive nutrients

Respuesta :

Answer:

a

Explanation:

d coukd be included but im not sure if it means excessive nutrients in the water or farm

RUNOFF OF OIL FROM ROADS

Eutrophication is a phenomenon used to describe an INCREASE in the concentration of nutrients in a particular aquatic area (lake) leading to the proliferation of plant or algae growth. Proliferation is majorly caused by the RUNOFF of substances containing these nutrients into a water body.

According to this question, eutrophication can be caused by the following:

- Runoff of manure from farms: Manure contains nutrients that can cause an increase plant/algae growth.

- Runoff of fertilizers from neighborhood: Fertilizer contains certain elements such as nitrogen, phosphorus, potassium etc. that serves as source of nutrients for aquatic organisms.

- Excessive nutrients: Too much of nutrients lead to uncontrollable growth.

Among these options, runoff of oil from road is NOT a cause of eutrophication because OIL inhibits growth rather than induce it.

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