Question

In a region with a cold climate the aquatic animals can survive at 4

0C, because​

Answer 1

In a region with a cold climate, the aquatic plants and animals can survive even when the atmospheric temperature goes below 0 degrees Celsius.

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Answer 2

Explanation:

When the atmospheric temperature goes below 0∘C, the water at the surface gradually freezes to ice, but the water under the ice layer remains at 4∘C. The ice has little passageways to let air in and out. Hence, the oxygen gets dissolved and other gases are pushed out.