Sound refraction depends on the speed of sound being A) ...

[tatyanajohnson]

Sound refraction depends on the speed of sound being
 
  A) constant.
  B) variable.
  C) proportional to frequency.
  D) inversely proportional to wavelength.
  E) none of the above

Question 2

On days when the air nearest the ground is colder than air above, sound waves tend to
 
  A) be refracted upward.
  B) be refracted downward.
  C) travel without refraction.

[sierrahalpin]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: B

[tatyanajohnson]

Thanks for the timely response, appreciate it

[bulacsom]

YES! Correct, THANKS for helping me on my review