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Ideas for Sound Travel (Type of Sources (Propeller (7 blades (), 4 blaedes…
Ideas for Sound Travel
Type of Sources
Propeller
7 blades
4 blaedes
waves
autos
thunder
Type of Receivers
Ears
sonobouy
active
passive
What causes change in the speed of sound
salinity
density
temperature
depth?
Type of Mediums
air
wood
metal