Write exactly whom and where the information came from I think.... but I could be wrong
Answer:
Radio waves are a type of electromagnetic (EM) radiation with wavelengths in the electromagnetic spectrum longer than infrared light. They have have frequencies from 300 GHz to as low as 3 kHz, and corresponding wavelengths from 1 millimeter to 100 kilometers.
Explanation:
Showing rather than telling improves <span>the coherence of an essay. When visual images are incorporated with audio explanation, it is easier for the receiver of the message to understand the plot of the message. This is because visual aids provide the opportunity to give the receiver the chance to exactly visualize what is being said in the essay.</span>
