Object A has 604 J of kinetic energy and 285 J of gravitational potential energy. Object B has 481 J of kinetic energy and 300 J of gravitational potential energy. Which object has more mechanical energy?

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

answer7,570,82356 cubic centimeters;