1. What are the implications of having aquitards in the water cycle?

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.

Diagram of the evolution of land plants?

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic