Question

Radio waves are ____________ waves​

Answer 1

I'm not sure if this is the right one because there are 3 choices haha...

So it's either

1. Sound

2. Mechanical

3. Low frequency

Answer 2

Answer: an electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication.

Step-by-step explanation: