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Most fish do not sink in water because of the presence of I. swim bladder II. air bladder III. air sacs IV. air in spongy bones A. I and II are correct B. II and III are correct C. III and IV are correct
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4 votes
Most fish do not sink in water because of the presence of

I. swim bladder

II. air bladder

III. air sacs

IV. air in spongy bones

A. I and II are correct
B. II and III are correct
C. III and IV are correct
D. I, II, III and IV are correct

User Daniele Teti
by
7.6k points

1 Answer

5 votes
The correct answer is A. l and ll are correct.
User Shahensha
by
6.4k points
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