The biggest threat to water quality in the Great Lakes is from ____.
A) industrial pollution
B) increased runoff caused by urban sprawl
C) the introduction of invasive species
D) poor air quality
E) the presence of toxic hot spots

Question

Quizplus · Accepted Answer

Increased runoff caused by urban sprawl is a significant threat to water quality in the Great Lakes as it leads to more pollutants being washed into the lakes, including nutrients that can cause harmful algal blooms.

The Biggest Threat to Water Quality in the Great Lakes