Question

Which of the following conditions would decrease the ability of a person to hear a sound? A. The distance to the sound source becomes shorter. B. A wave loses energy as it moves through a medium. C. The liquid medium in which the sound travels is replaced with an elastic solid. D. The frequency of the sound remains steady at 100 Hz.

Answer 1

Although you already did the test the answer is B. ( This is for the rest of the people who are trying to look for answers.)