Which statement describes the size of the inner planets?

All the inner planets, except Mercury, are large.
The inner planets are larger than the outer planets.
All the inner planets are smaller than the outer planets.
Mars is a large planet, while the other inner planets are small.

when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.

elctricity and magnet is conversion to it