contestada

Carlos wanted to know how positive and
negative charges affect balloons. The
balloons shown below are part of his
investigation.

Respuesta :

momohtemple

Answer:

it Give only one of them a positive or negative charge

queenb89

Answer:

Rubbing the balloon against hair or wool causes electrons to move from the hair or wool to the balloon. The balloon's negative charges are attracted to the positive charges in the can, and so the can rolls toward the balloon.