why does pencil write on paper but not on glass
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because main reason pencil has only right that places follow the friction show the sign
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due to friction when we write with pencil ✏ the tip of it which is in contact with paper dew to rough surface of the paper the tip get rubed with it it and make a mark.
but, on glass there is smooth surface and no rubbing process happened so it not make any mark..
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but, on glass there is smooth surface and no rubbing process happened so it not make any mark..
if it helpful plz mark as brainlist and follow me
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