contestada

a) The bubbles must be negatively charged.
b) The bubbles must be positively charged.
c) The bubbles must have the opposite charge to the charge on the student.
d) The bubbles must have the same charge as the charge on the student.

a The bubbles must be negatively charged b The bubbles must be positively charged c The bubbles must have the opposite charge to the charge on the student d The class=