U

Uday Singh • 7.23K Points
Tutor III Science 

Q. 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
Correct Answer - Option(A)

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