AP Environmental Sciencemediummcq1 pt
Nutrients remaining in treated sewage effluent can still cause
A.eutrophication downstream
B.ozone depletion
C.thermal inversions
D.no problems at all
Explanation
Core Concept
Standard treatment leaves N and P; only tertiary nutrient removal stops the blooms that follow discharge into lakes and estuaries.
Correct Answer
Aeutrophication downstream
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