gave her hair a neutral charge removed protons from her hair gave her hair a negative charge removed electrons from her hair
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: A student removed a wool hat from her head. Her hair stood up from static electricity. What did her hat do to cause this?
Possibilities:
- gave her hair a neutral charge
- removed protons from her hair
- gave her hair a negative charge
- removed electrons from her hair

removed electrons from her hair