The eutrophication that has taken place in Chesapeake Bay, the Gulf of Mexico, and other locations appears to be due to _______________
A)pesticide use along the waterways
B)global warming from human use of fossil fuels
C)weather alone, because it is only obvious in the summer
D)heavy metals dumped in the sewage
E)excess nutrients from fertilizers

Question

Quizplus · Accepted Answer

Eutrophication is primarily caused by excess nutrients, particularly nitrogen and phosphorus, from fertilizers that run off into water bodies, leading to algal blooms and oxygen depletion.

The Eutrophication That Has Taken Place in Chesapeake Bay, the Gulf