Help me with questions 1 to 4 plss!

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

How air particles exert a pressure on the inside of the balloon

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