Need help will mark Brainliest

If you are in a chronic state of anxiety but also suffer from moment of sudden, intense fear you are problably suffering. from

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.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks