Question

If two ice cubes are pressed against each other, they stick together firmly after some time because ________
Points : 1= temperature of the ice cubes
reduces.
2 = the melting point of ice
reduces to below 0°C due
to the pressure applied.
3 = temperature around the ice
cubes reduces.
4 = the melting point of ice because 0°C due to pressure .
Please answer this question

Answer 1

due to generation of heat (because of friction) outer layer of ice will melt and again get condensed because of less temperature this lead to ice stick

Answer 2

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The two ice cubes are pressed against each other, they stick together firmly after sometimes because

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3 = Temperature around the ice  cubes reduces.