Which of the following statements is correct? 1. the laboratory experiment allows greater control of extraneous variables than the field experiment. 2. the independent variable is manipulated in the laboratory experiment and measured in the field experiment. 3. a laboratory experiment uses the experimental method and a field experiment uses the nonexperimental method. 4. all of these

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

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.

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.