Astudent said, "the displacement between my dorm and the lecture hall is 1 kilometer." is he using the correct physical quantity for the information provided? what should he have called the 1 kilometer? check all that apply.
a, distance
b, path length
c, position
d, both a and b are correct

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 : )

prolly a beacuse the momentuem the car has increases while going down hill

falling water hydro = water .. spectcular places these plants are