What dates encompass the classical era of music?

What is the title of the work below? a. the old sacristy b. the new sacristy c. tomb of popes d. pieta

Artists best achieve contrast in a composition by: a. drawing with realism b. shading a drawing with dark and light values c. using drawing techniques like stippling and hatching d. focusing on line and shape in a drawing

Name this famous relief sculpture and the time period it is from. describe what is happening in the sculpture. is this sculpture characteristic of the time period which was created in?