Which is//are true statements?

1.	Which is//are true statements?
Answer» The layer of ice on the surface of river in the winter acts as a thermal insulator between the water below and the air above The FISH and other marine orgnims are enabled to survive long periods of FREEZING weather due to the FACT that ice is lighter than water When ice is formed volume decreases Density of ice is MAXIMUM at `0^(@)`C Answer :A::B

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