The place(s) in the human ear where sound waves are amplified by means of the vibrations of tiny ...

The place(s) in the human ear where sound waves
  are amplified by means of the vibrations of tiny
  bones is
  a. the pinna.
  b. the auditory canal.
  c. the middle ear.
  d. the organ of Corti.
  e. all of these.

Question 2

Which of the following is false regarding the
  properties of sound?
  a. The amplitude of a sound corresponds to
  loudness.
  b. The frequency of a sound is the number of wave
  cycles per second.
  c. Every ten-decibel increase in loudness
  represents a tenfold increase in intensity.
  d. A soft sound has a greater amplitude than a loud
  sound.
  e. A high note and a low note with the same
  amplitude are equally loud.