A man has an oak tree with dropping, discolored leaves, and poor growth. Which of the following professionals would be most likely to be able to tell him what is wrong with the tree? A. an arborist B. a pomologist C. a landscape designer D. an agronomist

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.