Obi wan uses his jedi mind tricks to compel people to do his will. the words he uses begin in his vocal cords which the air molecules in his throat.
reflect
refract
absorb
vibrate
im positive its vibrate. i want to be sure.

Obi Wan uses his Jedi mind tricks to compel people to do his will. The words he uses begin in his vocal cords which vibrate the air molecules in his throat.

Option D

Explanation:

Jedi mind tricks are usually used to trick people so that the people will tend to follow and pursue actions as instructed by the person to follow their wills. Vocal chords are always related to vibration.

This can be related to vocal singing as the air molecules in the throat vibrates whenever the energy is given by human to sing, vibration is the result of talking and singing.

mass and volume are the answers you are looking for