Time management in the classroom

a. allows you to maintain a routine for the children
b. provides additional time to clean
c. allows more time for leisure activities, like video games
d. must be done electronically
e. may never be done electronically

i don't know the answer but i play video games

franz marc (d) was an artist during the expressionist movement.

a chromatic scale uses the twelve tones of the octave, while a regular scale only uses eight, or seven different notes (as the first note is played twice)