I don't understand question 7 Use the link and follow instructions.

Brainliest for the first person who answers this correctly with a accurate explanation

The answer is d) by requesting advice on science internet sites

120v is the answer i am positive tell me if this was correct

1) what is light? light is an electromagnetic wave visible to the human eye.  2) what is a reflection? the rebounding of a light ray when it hits a mirror.3) what is the incident ray? contacts the surface of an object.4) what is the reflected ray? bounces off a reflective surface.5) what is the normal ray? perpendicular to the surface of a mirror.6) what is the angle of incidence? an angle formed by the incident ray and the normal.7) what is the angle of reflection? an angle formed by the reflected ray and the normal.8) what is refraction? (bending.)9) what is a converging lens? bring together light rays that pass through.10) what is a diverging lens? spreads out light passing through.11) focal point? the real point where the refracted rays meet when the incident rays run parallel.

All i gotta say is ? k12 or usa test prep? and im not going to answer because you probably already finished.