nswer.
C. Direction: Encircle the letter of the correct ans
1. Which of the following is a movement that produces sound?
A. vibration
B. dancing C. sitting
D. pushing
2. Which of the following is an annoying sound?
A. music
B. voice
C. noise
D.rally
3. Which of the following is the fast back-and-forth motion and theof sour
A. ringing
B. vibration C. instruments D. signals
4. What makes the sound of surf when falling water hits a beach?
A. living things B. instruments C. machines D. nature
3. Which of the following travels in the form of waves?
A. sound
B. nature
C. gas
D. air​