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6. 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 Kapeels
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1 Answer

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Answer:

Answer:= I. swim bladder II.air bladder

User Paul Jackson
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