Explanation:
I'm saying knowledge of Engineering, since it involves mathematics as well
Answer:
#LBGTQ+
Explanation:
AJJAVSJSBDBSBSHSH STAN THE GAYS
I believe the correct answer would be vibrato. It is an effect of that involves the pulsating change of a pitch. It is characterized by the amount of pitch variation and the speed of varying the pitch. Hope this answers the question. Have a nice day.