It has changed their economy because without space exploration, we wouldn't have such advanced technologies. They have given jobs to many people due to a new workforce. It has changed cultural views so we now understand space better
D) It controls materials that enter and exit the cell
Water currents keep you from going deeper, its important because the deeper you go the heavier you get and deadlier fish are wating to kill any thing. There is barly any food down there.
