12 Who is getting more energy from ther food source the insect or the human? Explain​

Environmental differences within ecosystems are generally caused by

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 are some natural processes that represent physical and chemical changes?