If the starting point is considered zero height (h = 0) and there is no friction or air resistance , which pair of numbers describes possible values for KE and PE?

the moon affects the earth gravitation ally, causing certain motions of that body and also producing tides in its ocean and atmosphere. the tidal wave in our atmosphere is, however, far too minute to be an effective cause in any known meteorological phenomenon.

explanation:

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.

a skateboard rolling across the street - apex

it's a b and