please help?

Question

what would happen if two pith balls with the same charge were held together for a few moments, then released?
a) the charge would leak off and the pith balls would hang straight down
b) the pith balls would each recieve a negative charge and they would move apart
c) the charge would cause the pith balls to stick together
d) the pith balls would each recieve a positive charge and they would move apart

Answer 1

b)