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AP® Environmental Science

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Moderate

Cultural Eutrophication Sequence

APES-SROP7P

Which is the CORRECT sequence of events for human-induced water pollution?

  1. Increased BOD
  2. Fish dieoff
  3. Algal bloom
  4. Hypoxia
  5. Increase in nutrient load
A

$1\rightarrow 4\rightarrow 5\rightarrow 2\rightarrow 3$

B

$5\rightarrow 1\rightarrow 3\rightarrow 4\rightarrow 2$

C

$5\rightarrow 3\rightarrow 1\rightarrow 4\rightarrow 2$

D

$3\rightarrow 5\rightarrow 1\rightarrow 2\rightarrow 4$

E

$2\rightarrow3\rightarrow 1\rightarrow 5\rightarrow 4$