The electromagnetic wave is self propagating, what I mean by that is, an electric field generates a magnetic field at 90 degree phase angle, and the magnetic wave you get as a result generates the electric wave at the same phase angle. The interchange of electric to magnetic and vice versa continues and lets the electromagnetic waves to travel without any medium. Quite interesting, really!
D. This is an actual real problem going on in this world today
I would imagine the reader would feel anxious, especially to know what would happen next. It's a turn of events that will leave you on the edge of your seat.
Answer:
what kind of an essay is that?
