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Q: What are the roofs and walls of the auditorium covered to reduce echo?
- A. metal
- B. fiberboard
- C. rubber
- D. plastic
Correct Answer:
Option B - Fiber board is a type of wood product made of wood fiber. The roofs and walls of the auditorium are covered with fiber board to reduce echo.
B. Fiber board is a type of wood product made of wood fiber. The roofs and walls of the auditorium are covered with fiber board to reduce echo.
Explanations:
Fiber board is a type of wood product made of wood fiber. The roofs and walls of the auditorium are covered with fiber board to reduce echo.Address
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