I think it's C. Complementary
Answer:
Your answer would be a Quarter rest
Explanation:
An eighth rest has a tail on the stem, a half rest has an open note head, and a whole rest is just an open circle. Only a quarter rest has a stem and a solid note head
a instrument that causes air to vibrate is a aerophone
C. very little use of light and shadow, so that figures and objects look flat
Observing their entire performance. It’s basically practicing
