Anyone know the answer to these?

After selecting all bones, which command resets the bones to their default poses? alt + r shift + d alt + p u

In some early colonial religious services, a leader would sing each phrase of a hymn alone and then pause for the congregation to repeat the phrase. this practice was known as a. psalming. b. shape note notation. c. fuging. d. lining out.

Is the classification for an instrument that produces sound by vibrating a string or strings stretched between two points