The group benefits that transmitted by electromagnetic waves over cable networks should be option C.
What are electromagnetic waves?
It is the waves that are developed since a result of vibrations lies between an electric field and a magnetic field. It is comprised of oscillating magnetic and electric fields. Here the waves should be transmitted over the cable networks should be benefited when the people live close to their cell phones.
Learn more about network here: https://brainly.com/question/14464626
