Which three body systems work together to obtain and distribute oxygen and nutrients?

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

What is the problem in this article? what solution does the article propose?

In general, did the simulated mice align with your predictions from the punnett squares? yes or no?