The Brainliest Answer!

This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
the electromagnetic waves which are used for sending signals through the air without using any wires are called radio waves
3 3 3
Radio waves are part of large group of waves classifed  all together as electromagnetic radiation. this large group of waves is broken down into smaller grops based upon their frequency and wavelength 
example X-Rays, light.
1 5 1