Answer:
meals
Explanation:
it is dark blue, where as the other options can't be seen
<span>It should expand on information in body paragraphs.</span>
To hit someone
In the head slowly
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!
Details will be the answer....