Which is the oldest of the following sports

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 : )

muscle endurance

explanation:

i can do 50 in a row ( but i get so tired after that)