11. How does an object become positively charged? When it
A. loses electrons B. gains electrons
C. loses protons
12. The girl's hair and the comb are attracting one another.
reaction between comb and the hair?
A. The objects have opposite charges.
B. Both objects have the same charges.
C. The comb gains more electrons from the hair.
D. Hair of the girl has more electrons than in the comb.​