Sis re read it and try it guess it give it your best shot
In my opinion,I think the answer is b.You can control variables more easily by doing different things for different purposes.
Answer:
Grounding a Positively Charged Object
Electrons were transferred from the electroscope to the ground. As in the case of grounding a negatively charged electroscope, the grounding of a positively charged electroscope involves charge sharing. The excess positive charge is shared between the electroscope and the ground.
Explanation:
