Use the following information to answer the next question. During an experiment, Pablo touched the ball of an electroscope to ground the device and then removed his finger. He then brought a negatively charged ebonite rod near the ball of the electroscope. Pablo observed that the metal foil leaves repelled. While the ebonite rod was still near the electroscope, Pablo touched the electroscope with his finger. He then removed his finger from the ball, and then he removed the ebonite rod. After removing the ebonite rod, Pablo observed that the foil leaves again repelled. What was the charge on the foil leaves the first and second time they repelled, respectively? Question 2Select one: 1) Positive, negative 2) Negative, negative 3) Negative , positive 4) Positive, positive