How big is the moon +5 points

Which describes an object in projectile motion? check all that apply.a.gravity acts to pull the object downb.the object moves in a straight path.c.the forward velocity of the object is 0 m/s.d.the object’s inertia carries it forward.e.the path of the object is curved.

Ais not a mixture. colloid compound suspension solution

Explain the difference in reactivity of the elements based on their electron configurations.