Which of the following most directly affects the direction of the Gulf Stream?

Starting at the smallest, most simple level and working your way up to the most complex, explain how the following terms are connected. note-these terms are not in order molecules, atoms, organism, tissues, cells, organ systems, organs

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

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because