

MCQOPTIONS
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1. |
Skating on ice is possible because |
A. | the surface of ice is smooth |
B. | ice is cold |
C. | the pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water |
D. | the pressure on the ice due to skate raises its melting point |
Answer» D. the pressure on the ice due to skate raises its melting point | |