Somwonw who knows chorus please help. Thank you

Amplitude is: a. the number of waves in a certain amount of time. b. the distance between the top or bottom of a wave and the center of the wave. c. the noise floor acceptable in recording. d. the distance between two identical points on a wave.

1520 is the date scholars generally give for the end of the? a. northern renaissance b. high renaissance c. gothic period d. mannerism period

Which subjects did john sloan depict in his paintings