AP Environmental Sciencehardmcq1 pt
Sediment pollution harms aquatic life mainly by
A.clouding water and smothering spawning beds
B.adding toxic metals
C.cooling the river
D.raising dissolved oxygen
Explanation
Core Concept
Suspended soil blocks light for plants and settles over fish eggs and gills — erosion's quiet but massive aquatic toll.
Correct Answer
Aclouding water and smothering spawning beds
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