Hydrogeology is the study of - a. water interacting with rocks and other landforms. b. mountain ridges on the ocean floor. c. the interaction between atmosphere and rocks.

Supply is the markets term for selling a specific quantity of products at various prices. the law of supply and demand is the one which affect the pricing and also the quantity the market is able to produce or make available.

Not sure but i think it's b.

Gravity, from the center of mass of the box, extending downward normal force, from the floor under the box, extending upward, equal to gravity push force, acting at a point on the box, extending in the direction of motion friction, acting at any point on the box directly opposite the push, extending directly opposite to the motion