Which of the following describes the author’s purpose for discussing the amateur astronomer in paragraph 11? A to highlight how often supernovas are seen in the Milky Way B to suggest that readers could also discover something in space C to suggest that the telescope is an outdated instrument D to demonstrate the role of professional astronomers

What role do background vocalists play? a. they provide additional support to the main vocalist and other members of a music group during recording sessions and live events. b. they perform as part of orchestras working for music theaters. c. they mix different songs or music scores and present a unique blend of music to an audience. d. they assemble and organize musical compositions according to their clients’ requirements.