What does a sharp do to a note

Which of these forms or genres appeared in the baroque period, but  not  previous periods?

In a 4-6 sentence paragraph, explain why modern audiences often liked modern popular music better than modern classical music.

Silverpoint is a. a technique using the blackish residue of impure carbon obtained by removing water from animal and vegetation substances. b. a technique involving the use of a metal point, and a thin silver wire, popular in the 14th and 15th centuries. c. a printmaking technique born from crayon manner that imitates the appearance of chalk lines. d. a technique used since the 16th century involving a stick filled with either colored or black graphite, a heated mixture of carbon and clay