Answer:
Sound waves are reflected back
<span>D. price ceiling
</span><span>This is a government regulation that establishes a maximum price for a particular good.</span><span>
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Answer:
strength or energy as an attribute of physical action or movement.
Explanation:
coercion or compulsion, especially with the use or threat of violence.
this is from google
Answer:
A microchip in the phone modulates (or varies) a radio wave using the electrical signal. The radio wave travels through the air to a nearby cell tower; the tower sends your voice to the person you are calling and the process is reversed so that the person on the other end can hear your voice.
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