60 points answer correctly which statement best describes charge a and charge b in this diagram? a ) the signs on charges a and b are opposite. the amount of charge on a is greater than that on b. b ) the signs on charges a and b are opposite. the amount of charge on a is less than that on b. c ) the signs on charges a and b are the same. the amount of charge on a is greater than that on b. d ) the signs on charges a and b are the same. the amount of charge on a is less than that on b.