A. light waves only
B. sound waves only
C. Both Light waves and sound ways
D. None of these
Submitted by: Abid Otho
Author: Abid Otho
A. Echo
B. reverberation
C. resonance
D. None of these
Submitted by: Abid Otho
A. Mecury
B. Venus
C. Mars
D. Jupiter
Submitted by: Abid Otho
