Answer:
d
Explanation:
she is concerned for her safety so she crosses the river
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!
I just need points i’m so sorry hope you find the answer <3
Answer:
communication is like a puzzle because there are a variety of elements or 'pieces' that must be present to create a clear message or 'picture'
Access prior knowledge, make connections and set up a reason