AP Environmental Scienceeasymcq1 pt
Eutrophication begins with
A.excess nitrogen and phosphorus entering water
B.toxic metals entering water
C.removal of all nutrients
D.increased water flow
Explanation
Core Concept
Nutrients fuel algal blooms; when the algae die, decomposition consumes dissolved oxygen — the chain ends in dead zones.
Correct Answer
Aexcess nitrogen and phosphorus entering water
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