D I think .... don’t be mad if I’m wrong
Answer:
Atomic number
Explanation:
Hope it helps you in your learning process.
Top of the U ramp: potential energy is the highest, while kinetic energy is the lowest
Bottom of the U ramp(aka the curve part): potential energy is the lowest and the kinetic energy is the highest
THEREFORE, PE and KE have an INVERSE RELATIONSHIP.
Im not sure but it might be the last option: it gives reasons to be believed and trusted
