Electroscope

I’m stuck on a Physics question and need an explanation.

1.Draw the polarization of the ball when a negative charge is nearby. If using Text Entry, thespherewalls are ( and ), the charges insideare + or , and the nearby object is O. Where did the sphere get charges if it was neutral?

2. If the sphere started out negatively charged, could it still polarize to have positive charges and be attracted to a negative object? How would it do that?

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