During throwing a baseball, a pitcher can throw the ball in such a way that the ball curves horizontally.?

During throwing a baseball, a pitcher can throw the ball in such a way that the ball curves horizontally. Given this observation, which of the following conclusions is correct? a. The baseball is not a projectile. b. Gravity causes the ball to curve horizontally. c. A horizontal force causes the horizontal change in motion. d. Gravity creates a torque on the ball causing it to curve.