Question

Advantage and disadvantage of anomalous expansion of water

Answer 1

Advantage:-

• The anomalous expansion of water helps preserve aquatic life during very cold weather. When temperature falls, the top layer of water in a pond contracts, becomes denser and sinks to the bottom. A circulation is thus set up until the entire water in the pond reaches its maximum density at 4°C.

Disadvantage:-

• However, the anomalous expansion of water has some negative consequences. Whenever there is water in pipes or heating bodies, one has to be extra careful not to let the temperature fall below zero. As the water freezes it expands and can rip pipes open.

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Answer 2

Answer:

The anomalous expansion of water helps preserve aquatic life during very cold weather. When temperature falls, the top layer of water in a pond contracts, becomes denser and sinks to the bottom. A circulation is thus set up until the entire water in the pond reaches its maximum density at 4°C.

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