How do the surface area and volume of a sphere differ in the label of the answer?a.The volume of a sphere is expressed in square units and the surface area of a sphere is expressed in cubic units.c.The volume and surface area of a sphere are both expressed in cubic units.b.The volume of a sphere is expressed in cubic units and the surface area of a sphere is expressed square units.d.The surface area of a sphere cannot be determined because a sphere is a round shape.