Improvements in which area would help reduce the possibility of damage to the environment when using uranium as a fuel? A. more-efficient extraction techniques
B. better control of fusion reactions
C. stronger-pumping wells
D. thicker shielding around the reactor

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light