Which two human body system function together to distribute oxygen for use in cellular process throughout the body

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

If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?