It can be easily argued that the first truly American popular music was: jazz
minstrelsy
waltz songs
parlor song

What comprises a list of main points and sub-points of a topic to include in a presentation? a(n) is a list of main points and sub-points of a topic to include in a presentation.

While fragileworks of art might be best preserved in a locked box, museums routinely display such objects. why do museum professionals feel it is important to share these artifacts?

Which of these is a consistent periodic pulse separated into equivalent intervals of time?