The earth system concept emphasizes which of the following? question 2 options: how everything on the earth is interconnected how you can study each system in isolation the concept that the earth is round how the earth's systems came about

Which statement is true? a) the work done to lift an object 6 meters is greater than the gravitational potential energy it gains. b) the work required to push an object is less than the work required to pull an object the same distance. c) the work required to raise an object to a height is equal to the gravitational potential energy the object gains. d) the work done against gravity to lift an object straight up is greater than the work required to roll it up a ramp.