Water is its densest (heaviest) at 4 degrees Celsius. Why is this property of water very important for ensuring lifeforms living in lakes, ponds, rivers and brooks in the country of Canada, during the winter months, continue to be able to live?
4 answers
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Ice at 0°C is less dense than water, so it floats.
Imagine what would happen if all the ice sank to the bottom in freezing weather.
Imagine what would happen if all the ice sank to the bottom in freezing weather.
By the way, a few hours ago:
It means the water at 4 degrees above freezing sinks to the bottom where the fish can live while the cold water up on the surface turns to ice.
It means the water at 4 degrees above freezing sinks to the bottom where the fish can live while the cold water up on the surface turns to ice.