Do re mi in the recorder​

Why were staff lines an important improvement to musical notation a. sl indicated rhythm b. sl indicated dynamics c. sl indicated pitch d. sl indicated meter

The protects the ear, collects sounds, and channels them to the middle ear a middle ear b ear drum' c front ear d outer ear

Bartók spent the last part of his life in a. the south pacific. b. the united states. c. germany. d. france.