administrators Reply Quote

Answer : 3 there will always be water just beneath the ice level Explanation : Answer: C) there will always be water just beneath the ice level Explanation: Water has the maximum density at 4oC. So at this temperature, it sinks down to bottom and stays here. If it cools further, it will become less dense and move up. So while the upper layers can cool enough to form ice, the bottom layers remain as water at  4oC .  Therefore, (C) is correct.

Click here to see the full blog post