The choices below describe four hypothetical planets. which one's surface would you expect to be most crowded with impact craters? (assume the planets orbit a star just like the sun and that they are all the same age as the planets in our solar system.)

Which statement best describes a spring? explain. the top of the saturated zone an underground layer of rock or sediment that holds groundwater groundwater flowing naturally to the surface where it is lower than the water table a vent in earth’s surface that periodically ejects a column of hot water and steam