Ifeel like theirs probably one more answer to this me know if it’s right or wrong i need to to pass!

For general projectile motion, when the projectile is at the highest point of its trajectory, its acceleration is zero? a)the horizontal and vertical components of its velocity are zero. b) its velocity is perpendicular to the acceleration. c)the horizontal component of its velocity is zero. d)its velocity and acceleration are both zero.

What causes the formation of ocean currents?

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false