Fill in the blanks a)Regular vibrations produce _____ sound. b)Irregular vibrations produce_____ sound. c)Harmonics determine the ______of sound. d)Bats use _____ sound to locate its prey . Share with your friends Share 0 Deepika Sharma answered this Dear Student a) Rythmic b) noise c) Timbre d) ultrasonic waves Regards 0 View Full Answer