Question

2. Sound is caused by a source that ______________________ . 3. Movement of a body from one extreme position to the other and back is called an ___________ 4. The _______________________________ of a note in musical scale tells you now high or how low it is.

Answer 1

2. Mechanical vibrations

3. Oscillation

4. Pitch

Answer 2

Answer:

vibrates

oscillation, probably ¯\_(ツ)_/¯

pitch or volume