A ringing alarm clock is put under a glass jar. The air is slowly removed from the space around it. What will happen as the air is removed? (1 point)
O The clock will slowly become less visible, until you can only hear it.
O The clock will slowly become quieter and will ultimately fade from view.
O The appearance of the clock and the sound of the clock will not change.
O The appearance of the clock will not change, but its sound will become fainter.