An educated guess about something. (What might happen in the future)
Answer:
I would shout fore help if I was being raped or try to make him or her stop
The difference between the two is, well for one
Spectrum: The entire range that the "<em>waves" </em>could be such, as visible light, x-ray's and so on.
Waves: These are different because they aren't telling you or showing the entire spectrum just which they length that they are.
<em>It may confuse you but it makes sense to me (Sorry)</em>
I believe it’s B but i’m not sure