Skip to content / Đến nội dung
ThichHocToan.com

IMSO 2015 Science International - Theory I Question 6

IMSO Science · IMSO 2015 Science International - Theory I

Question 6

An opera singer is singing with high pitch (frequency). What contributes to her high pitch singing? (1 point)
  1. Her larynx is vibrating very fast.
  2. Air exits her lung at high speed.
  3. Her very powerful voice.
  4. Her very loud voice.