Answer:
c lunar and solar eclipse
Explanation:
Answer: Wind
Explanation:
A renewable source of energy won't be artificial or man- made. It's energy that won't run out.
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.