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Correct Answer: C) Child Development.
Correct Answer: B) A unit for how loud a sound is.
Correct Answer: D) Both increasing population and urbanization.
Correct Answer: C) The traffic makes too much noise.
Correct Answer: A) Humming of the Birds.
Correct Answer: A) 2000.
Correct Answer: B) Single largest source is from internal combustion engines.
Correct Answer: C) Light pollution.
Correct Answer: A) Music.
Correct Answer: B) Silent zone.
Correct Answer: D) Ear can only take 500 decibels of sound or noise.
Correct Answer: B) Pollution.
Correct Answer: C) Television.
Correct Answer: D) Both A and C.
Correct Answer: D) Television.
Correct Answer: C) 60-65 decibels.
Correct Answer: B) Unwanted noise that disturbs all life.
Correct Answer: C) More than 70 dBs.
Correct Answer: B) DECIBEL.
Correct Answer: D) Constructing aerodromes far away from the residential areas.
Correct Answer: D) All answers are correct.
Correct Answer: A) 20, 000Hz.
Correct Answer: A) Sounds that disturb the normal activities of human beings and animals.
Correct Answer: B) Wear Earplugs.