Answer:
B and C
Explanation:
Because EMWs are varying magnetic and electric radiation traveling at 90° to each other propagating energy form one place to another through vibration of these magnetic and electric fields
The first human made object made to orbit earth was the Soviet Union's Sputnik 1, it launched the 4th of October 1957.
They can fight the infection but not the disease
I think its 13...........
