Question

state anamolous behaviour of water and how aquatic animals survive inside the water in winter season?

Answer 1

HEY MATE HERE IS YOUR ANSWER,,,,,,,

The anamolous behavior of water can be explain as water when cooled from a high temperature contracts upto 4°C thereafter it expands below 4°C upto 0°C and form a thin layer of ice over a pond or lake by doing this it helps to survive marine life because it only form a thin sheet of ice over the lake or pond.This can be says as anamolous expansion of water.

Answer 2

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Anomalous behaviour of water :

1. Generally, when we heat any substance it expands and when cooled, it contracts.

2. In case of water, when it is heated from 0°C to 4°C, it contracts instead of expanding.

3. At 4°C, its density is maximum and volume is minimum.

4. This exceptional behaviour of water is called Anomalous behaviour of water.

Reasons behind the survival of aquatic animals in frozen lakes in winter season :

1. In cold countries, in winter, a layer of ice is formed on the surface of lakes when the atmospheric temperature falls below 0°C.

2. However, below this layer, there is water at 4°C.

3. Ice, being a bad conductor of heat, does not allow transfer of heat from this water to the atmosphere.

Hence, aquatic animals and plants can survive in this water.

Hope it helps!

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