Which of the following is a quality of a musical sound which is used for differtiating two sounds with the same frequency a. loudness
b. noise
c. pitch
d. timbre​

What was the first official pair of sister cities?

What causes heat transfer in fluids

Which statement about portugal is not true? a. it granted independence to its last colony in 1975 b. it has avoided conflict with spain c. it was a leader in european world exploration in the 1400s d. its economy is changing from agricultural to industrial b. it has avoided conflict with spain