Which two statements describe reasons that semiconductors must be included in a solar cell?
A. They form a zone of separation between the glass layer and the
terminal layer.
B. They provide a path through which released electrons move to
form an electric current.
c. They provide a path through which electrons exit the surface of
the cell and never return.
D. They provide a source of electrons to be released by the
photoelectric effect.

They provide a source of electrons to be released by the photoelectric effect, and They provide a path through which released electrons move to form an electric current.

Explanation:

A p e x

The answer is B. They provide a source of electrons to be released by the photoelectric effect, and D.They provide a path through which released electrons move to form an electric current.

Explanation:

I took AP EX quiz.

i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )

a 2,000 calorie based diet.