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​

Which characteristics are true of the arabian desert? multiple answers choose all answers that are correct. a. is mostly below sea level b. covers almost the entire arabian peninsula c. contains the largest sand sea in the world d. has very few people living there

The biome that includes evergreen trees is the forest biome.

Which of the following is a measure of the amount of light a star directly emits? a. luminosity b. wavelength c. brightness d. intensity