Category: Everyday Science | Last updated: 2026-09-18

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

Explanation

Source: Examveda — Biology

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