A. Write T if the statement is correct. If the statement is not correct, identify the word that makes it incorrect. 1. Pitch refers to the volume or sound pressure produced by the vibrations of an object. 2. For string instruments, if the length of the string is long, then the instrument will produce a low note. 3. To be able to produce sound, there must be a medium. 4. All sounds can be heard by human beings. 5. Quality of sound refers to the highness and lowness of notes. 6. When vibrations are slow, high notes are heard. When vibrations are fast, low notes are heard. 7. Thinner strings produce higher pitch, while thicker strings produce lower pitch. 8. The more ragged the shape of the waves is, the better is the quality of the sound and the more pleasing it is to the ears. 9. The special sonar system that bats use at night is called echolator. 10. Sound can be useful and harmful. B. Answer the following questions. 1. Give at least 5 importance of sound in your daily routine. 2. How do we produce sound? pa help lg po true or false lg po yng A​