I NEED HELP WITH THIS. PLEASE BE QUICK, IM BEING TIMED!! I WILL GIVE 15 POINTS, PLEASE ANSWER TO HELP, IF NOT I WILL REPORT.

Conservation of mechanical energy is defined as



A. The sum of the kinetic and potential energies of an object remains a constant value unless there are forces acting on the object that cause a loss of energy overall, such as friction and air resistance.


B. Potential energy added to kinetic energy


C. Energy of motion


D. Law of conservation of energy