Nuclear energy is currently used in which three kinds of vehicles?

Can someone me with questions 12 and 13 plz.

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

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as