A student touches a rubber ball with a negatively charged plastic rod. How will the negative charges be distributed on the ball?

On the ball’s surface where the rod touches the ball
On the ball’s surface where the rod touches the ball

Evenly distributed on the ball’s surface
Evenly distributed on the ball’s surface

On the bottom of the ball’s surface
On the bottom of the ball’s surface

Evenly distributed on the ball’s inside

The negative charges will be concentrated on the surface of the ball where the rod touches it.