NO ONE KNOW HOW TO DO THIS !!!!!!!!!!!!!!!!!!! HELPPPPPPPPPP, I AM DYING
A) List two instances when increasing friction is desirable.
B) List two instances when decreasing friction is desirable.

SOMEONE PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ!!!

Respuesta :

A)Rubbing hands, Rubbing sticks
B)Rubbing rocks, Rubbing earth substances