Answer:
where the x axis are you put Your numbers
Answer:which grade are you
Step-by-step explanation:
If you are grade 7 to 9 I know
Answer:
Friction is a force that opposes motion between any surfaces that are touching. Friction occurs because no surface is perfectly smooth. Rougher surfaces have more friction between them. ... Friction produces heat because it causes the molecules on rubbing surfaces to move faster and have more energy
Increases proportionally. (C)
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