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What effect can fertilizer runoff have on an aquatic ecosystem?
a. increased plant growth leading to a decrease in fish populations
b. increased plant growth leading to an increase in fish populations
c. decreased plant growth leading to a decrease in fish populations
d. decreased plant growth leading to an increase in fish populations

Respuesta :

MonikaMole1421
a. increased plant growth leading to a decrease in fish populations. Fertilizer runoff degrades aquatic system by promoting growth of algae, phytoplanktons and other aquatic plants. A phenomenon called 'algal bloom' will take place, increasing oxygen consuming bacteria and lessening the available oxygen for plants and animals in the area.

Answer:

it would be A

Explanation:

Fertilizer runoff degrades aquatic system by promoting growth of algae, phytoplanktons and other aquatic plants. A phenomenon called 'algal bloom' will take place, increasing oxygen consuming bacteria and lessening the available oxygen for plants and animals in the area.

i hope i hellped

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