📝 Multiple Choice Question
Geography
Eutrophication can be defined as:
A
the gradual decrease in the concentration of phosphorus, nitrogen, and other plant nutrients in an aging aquatic ecosystem such as a lake
B
the gradual increase in the concentration of phosphorus, nitrogen, and other plant nutrients in desert areas
C
the gradual increase in the concentration of phosphorus, nitrogen, and other plant nutrients in an aging aquatic ecosystem such as a lake
D
the gradual increase in the concentration of phosphorus, nitrogen, and other plant nutrients in an grassland ecosystem
Explanation
Eutrophication naturally occurs over centuries but is often artificially accelerated by human agricultural runoff, leading to nutrient overload, severe algal blooms, and dangerous oxygen depletion in water bodies.
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