Aplateau is made of sandstone of varying densities. how is the plateau likely to change over time? a: a smooth columns would form due to deposition at the same rate b: smooth columns would for due to erosion at the same rate c: stacked columns would form due to erosion at a different rate d: stacked columns would form due to deposition at the same rate

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.