In this paper, you are also required to give a clear introduction to Electromagnetic Waves (EM waves), including:
Different parts of the EM spectrum
What’s in common and what are the differences among different parts of the EM spectrum?
What makes them harmful or not harmful to human body?
Which part do WiFi, cellphone, or microwave radiation belong to? Are they harmful to human body? If yes, what makes them harmful? If no, explain.