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Question

Skating of ice is possible because of the phenomenon of

A
friction
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B
sublimation
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C
regelation
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D
latent heat of fusion
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Solution

The correct option is C regelation
Skating on ice is possible because of the phenomenon of regelation.
Regelation is the phenomenon of melting under pressure and freezing again when pressure is reduced. Many sources state regelation can be demonstrated by looping a fine wire around a block of ice with a heavy weight attached to it.

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