The core of a dying massive star of 25 solar masses might collapse directly into a black hole in what is known as supernova.

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 : )

explanation:

newton's third law, for every action there is an equal and opposite reaction.

overcharge is the right answer system