A. A Infrared waves
B. Radio waves
C. Microwaves
D. All of these
Submitted by: Ayaz Ali keerio
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
(Sponsored by Sir Tauqeer)
