Author Question: The reflection of sound is A) reverberation. B) an echo. C) a rare ... (Read 93 times)

WWatsford · **on:** Jul 29, 2018

The reflection of sound is

A) reverberation.
B) an echo.
C) a rare occurrence.

Question 2

A general rule for estimating the distance in kilometers between an observer and a lightning bolt is to count the number of seconds between seeing the lightning and hearing it, and dividing by

A) 2.
B) 3.
C) 4.
D) 5.
E) none of the above