Tina speaks using a nonelectric megaphone. The megaphone makes her voice louder in one direction.
How does a megaphone work?
Select one:
It affects the vocal cords of a person and allows them to make louder sounds.
It increases the amplitude of spreading sound waves.
It changes the frequency of the spreading sound waves.
It collects sound waves and reflects them in a direction.
Answers: 2
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Tina speaks using a nonelectric megaphone. The megaphone makes her voice louder in one direction....
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