- A They amplified the sound.
- B They prevented the deterioration of sound.
- C They created harmonious notes.
- D They increased the speed of sound.
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Answer:
B
Explanation:
According to ancient theories, the ascending seats in theaters were designed to prevent the deterioration of sound. By arranging the seats in an ascending manner, the sound waves could flow back and break up following waves, thus maintaining the quality of sound.
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