Sang Hee rubs a balloon on her hair until, when she holds the balloon several inches from her head, her hair sticks straight out and touches the balloon. Then she holds the balloon several inches from Kim's hair. Some of Kim's hair rises and sticks out toward the balloon, even though the balloon hasn't touched her hair. Explain what made Kim's hair do this. Go into detail about charges and how they are likely arranged. State the process that charged the balloon and the hair of each girl
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