Which statement describes the relationship between seafloor spreading and continental drift? as the seafloor spreads, the continents do not move. as the continents move, they pull the seafloor with them. as the continents move, they create new seafloor at the coast. as the seafloor spreads, the continents move in the same direction.

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 : )

the amount of current in the coil

close lines strong magnet less close weaker

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.