Yeah I have a reason because I want to know​

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

The transport tubes for food coming down the plants are called?

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.