The passage explains that ice floats on water. If ice sank, all aquatic life (fish) would be destroyed. So fish survive because ice floats on the surface of the oceans, matching option 2.
The reason that fish can survive in the oceans is because
Held on 30 May 2023 · Verified 13 Jul 2026.
they do need oxygen
ice floats on the surface of the oceans
evaporation and condensation create a water cycle
there are currents in the ocean
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Work through every CUET UG VA PYQ, year by year.