A balloon would attract your hair without touching it because: C. It is electrically charged.
According to the law of electrostatic forces, unlike charges attract each other and like charges repel one another.
As a result of electric induction, opposite charges are produced on the edge of an uncharged object (balloon) when a charged object (hair) is brought near the uncharged object (balloon). Thus, the balloon becomes negatively charged due to electrons while the hair has a net positive charge because it looses its negative charge.
Since unlike charges attract each other, the balloon would attract your hair without touching it.
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