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Large obstacles reflects sound waves. If you shout in front of a valley the sound wave travels in all directions and is reflected by an obstacle such as a wall or a cliff.
Because when it reflects off of the rarefaction, it tightens causing sound waves to burst.
Sound is a natural phenomenon. It is pressure waves in the air and was not invented. Sound has existed at least since the formation of the Earth's atmosphere.
the tympanic membrane or ear drum
acoustic energy, when you make sound it is audible because it is in sound waves that move through the atmosphere and into you ear to vibrate your eardrum
Lonosphere
Ionosphere
the lonosphere
the ionosphere.
The ozone layer contains electrical charged particles that reflects radio waves
The "F" layer is high altitude region of ionized atoms that reflects radio waves.
the lonosphere
It's not radio active waves; it's just radio waves. It's called the Ionosphere and depending on what layer of the Ionosphere it changes how far you can talk
The ozone layer contains electrical charged particles that reflects radio waves
If you are talking about short waves then the ionosphere.
No, it does not. Ozone only reflects UV rays.
Large obstacles reflects sound waves. If you shout in front of a valley the sound wave travels in all directions and is reflected by an obstacle such as a wall or a cliff.