Scientists in different parts of the world repeat an experiment several times and get the same result. which of these is the most likely reason why experiments are repeated to produce the same result? to make results non-testable to make results non-observable to make conclusions elaborate to make conclusions reliable

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.