Radio communication frequencies range from ____________
A. 3 KHz to 300 KHz.
B. 3 KHz to 300 GHz.
C. 300 KHz to 3 GHz.
D. 3 KHz to 3000 GHz.
Answer:C
Radio communication frequencies range from ____________
A. 3 KHz to 300 KHz. B. 3 KHz to 300 GHz. C. 300 KHz to 3 GHz. D. 3 KHz to 3000 GHz.