PLZ HELP ASAP IM TIMED!
Which of the following statements is true?

a.) Sound vibrations are changed into electrical impulses by the eardrum.
b.) It is dangerous to listen to sounds over 160 dBs.
c.) High-pitched sounds have low frequencies.
d.) All of the above.

THERE IS A QUESTION LIKE THIS ON BRAINLY BUT ITS VOTED 1.5 STARS PLZ HELP ASAP PLZ ILL GIVE 25 POINTS PLZ