A. can be chewed up the birds
B. are susceptible to algal growth
C. break easily when they fall
D. contaminate the water put in them
Correct Answer: Option B
A. can be chewed up the birds
A. can be chewed up the birds
B. are susceptible to algal growth
C. break easily when they fall
D. contaminate the water put in them
Correct Answer: Option B
A. can be chewed up the birds
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