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 Options: A . &nbspI and II are correct B . &nbspII and III are correct C . &nbspIII and IV are correct D . &nbspI, II, III and IV are correct

Most fish do not sink in water because of the presence of: I. swim bladder II. a

Question - 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

Options:

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

Answer: Option A

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