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Comments to #4
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Cecilia 4 year s ago
#6 'Reflect back' is redundant. Ergo and therefore mean the same thing, ergo they are redundant.
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Lester 4 year s ago
hiya boys, did you miss me?
Why ice is slippery?
When ice is close to its melting point, slipping is caused by rolling over water molecules that cannot attach to other water molecules at the surface. Kind of like a dancefloor that is covered with marbles or balls.