Question

Which of the following statements about eutrophication is true?

a. Eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in
the increased production of plant life and the subsequent increase in the oxygen levels of the
water.
b. Eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in
the increased production of plant life and the subsequent decrease in the oxygen levels of the
water.
c. Eutrophication involves the overpopulation of aquatic ecosystems with plant and animal life.
d. Eutrophication is rarely caused by human activity.

Answer 1

The correct answer is C. Because the development of native plants is frequently inhibited when nitrogen from fertilizers seeps into the soil and promotes weed growth. Eutrophication refers to the buildup of nutrients in streams as a result of nitrogen runoff.

Step-by-step explanation:

:)

Answer 2

b. Eutrophication occurs when excess nutrients are present in aquatic ecosystems, resulting in

the increased production of plant life and the subsequent decrease in the oxygen levels of the

water.

Steps

eutrophication :

too much fertilizer or waste in the water from farms too many plants grow too fast & use up the oxygen in the water killing fish

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