Detailed explanation and options for the selected question.
Which of the following is a major cause of eutrophication in water bodies?
A.
Oil spills
B.
Excessive nutrients from agricultural runoff
C.
Thermal pollution
D.
Introduction of invasive species
Explanation:
Eutrophication results from nutrient overload, often due to agricultural runoff. Oil spills, thermal pollution, and invasive species have different ecological impacts.