10
QuizMultiple Choice

Human Impact on the Environment — Cumulative exam

Question 10 • SC332 Environmental Science B

Which statement describes both a positive impact and a negative impact associated with the effects of nitrogen-enhanced fertilizers?

Answer
A
They increase polluted runoff and damage drinking water.
B
They increase plant growth and damage drinking water.
C
They increase denitrifying bacteria and increase plant growth.
D
They increase both limiting resources and denitrifying bacteria.

Explanation

Nitrogen-enhanced fertilizers supply plants with a nutrient that can increase their growth, which is a positive impact. However, excess nitrogen can wash into water supplies and contaminate drinking water, a negative impact. Choice A describes only negative effects, while B includes both a benefit and a harm.

AI-written and checked against the verified answer.

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