Which of the following is a substance made up of only one type of atom?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

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.

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?