Only visible rough surfaces have friction between them. true or false

Fallon is on her way to work when she sees a little boy, who is crying and apparently lost. seeing the crying boy makes fallon very uncomfortable and upset. to reduce these negative feelings, fallon stops to the boy find his parents. which theory best explains fallon's behavior?

Identify metropolitan statistical area

Ais a way of expressing the relationship of a number, quantity, substance, or degree between two components