It takes a lot of energy to move this amount of dirt and rocks. What do you think is the source of this energy?

Please explain why

We want most cells to be even in and out which is called

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms