Which statement is true about a person on mars?

a. a person would have the same mass, but weigh less.
b. a person would have less mass, and weigh less.
c. a person would have less mass, and weigh more
d. a person would have the same mass, but weigh more.

A. A person would have the same mass, but weigh less.

Explanation:

Remember, even if you weigh less because of a change in gravity's force on your body, your body's mass is still the same.

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 : )