A high-amplitude, high-frequency sound wave is perceived as ____. ...

[Bernana]

A high-amplitude, high-frequency sound wave is perceived as ____.
 
  a. loud and high-pitched
  b. loud and low-pitched
  c. soft and high-pitched
  d. soft and low-pitched

Question 2

For his creative writing class, Dorian writes a short story about the adventures and perils of space travel. As he describes an epic space battle between two enemy ships, Dorian portrays the battle fought in an eerie silence. Why is Dorian correct that an otherwise noisy battle would produce no sound in space?
 
  a. Sound waves cannot be generated in a vacuum.
  b. Sound waves are too diffuse in the absence of gravity.
  c. In the absence of matter, sounds waves travel in a multipath direction.
  d. Sound waves are readily absorbed by gamma particles.

[ciecieme]

Answer to Question 1

ANSWER:
a

Answer to Question 2

ANSWER:
a