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When a sound wave is reflected, you hear an echo.
Echo
Frequency
Thomas Tesla Edision, inventor of the light bulb.
Because you can't wave it fast enough. You'd hear a sound if you could do at least 30 or 40 complete back-and-forth waves every second, and keep that up for a few seconds. That's exactly what's going on when you hear the buzz of a fly, or the whine of a mosquito. They don't wave as hard as your hand does, but they wave a lot faster. If you wave it close to your ear you can hear the sound.
When a sound wave is reflected, you hear an echo.
Most people probably think of colors, pleasant odors, and beauty when they hear the word "flowers."
I think of acting and dialouge
when i hear least common denominator i think of the word fraction
Resolution
a spear
3
you can hear by sound wave and ears
I immediately think of a car crash.
I don't think there is a word for that
Its a perosn that does good things
I think its for free