# Science

1. Why is ice a faster surface for sleddikng than snow?

a. Ice is flatter than snow.
B. Ice is colder than snow.
C. Ice provides less friction.
D. Ice has less mass than snow.

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1. Seems to me that the only possible reason can be that ice provides less friction, whatever the underlying properties. Friction translates into a restraining force, reducing the speed.

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posted by Steve

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