Suggest good habits that can help to improve the quality of air around us​

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

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.

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?