How does muscle activity affect the production of co2?

In what layer of the sun is energy transfers between atoms

As a small change in a person's dna can cause a genetic disorder

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.