Q. What is noise?
A. Desirable sound
B. Desirable and unwanted sound
C. Undesirable and unwanted sound
D. Undesirable and wanted sound
Answer: Undesirable and unwanted sound
A. Desirable sound
B. Desirable and unwanted sound
C. Undesirable and unwanted sound
D. Undesirable and wanted sound
Answer: Undesirable and unwanted sound