📝 Multiple Choice Question
General-science
Eutrophication is a condition where excessive growth of algal bloom occurs on the surface of a water body because of abundant nutrients. Which of the following are the key nutrients for eutrophication?
A
Phosphorus and iron
B
Iron and nitrogen
C
Nitrogen and potassium
D
Phosphorus and nitrogen
Explanation
Excessive agricultural runoff frequently introduces abnormally high levels of phosphorus and nitrogen into local water bodies, artificially fueling the rapid and dense growth of algae.
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