Asubstance undergoes a change. which of the following indicates that the change was a chemical change?
a. the substance changed shape.
b. new molecules formed.
c. the substance froze.
d. the substance changed size.

What is an example of a physical property?

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.

When a septic tank backs up a goes in to clean it out