The air we breathe contains different individual gases (mostly nitrogen and oxygen). which of the following correctly describes the air we breathe? a) compound. b) element. c) mixture. d) liquid

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.

Drug abuse will not lead to physical and psychological dependence. true or false ?

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood