The position of your seat has nothing to do with the effectiveness of the headrest.
a. true
b. false

The answer will be letter a, true. The position of your seat has something to do with the effectiveness of your head rest as you position the seat, the head rest will also move, making an individual adjust his or her level of comfort as he or she sits or lie down.

the correct answer is d

answer; pentagon papers, vietnam draft-resistor, james dean, american revolution;