Please help me I need help with this questions I’m very confused fused as to what the answer is please

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Element before carbon on the periodic table