Repression could be the reaction to which of the following? A) drug use
B) head injury
C) illness
D) painful memories

I think it is D

Which sound characteristic is not affected by the relative motion of an object

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

To fully describe the photoelectric effect, scientists must consider which of the following to be quantized? o a. both light and matter o b. matter only o c. light only o d. neither light nor matter