Answer:
This poisonis an example of an aboitic factor
To find the speed of waves, use this formula!
V = frequency x wavelength
(V is a unit for speed)
Plug in your numbers!
V = 3.7 x 8.4
V = 31.08 m/s
*m/s is meters per second.
<em>To be effective, key choices must be <u>parallel.</u></em>