Water covers over two-thirds of earth surface. yet water shortages are a major problem for many people around the world. why do you think this is the case ?

Kirk found a local community college with a two-year program and he is comparing the cost with that of an out-of-state two-year school. what is the expected total cost for one year at the local community college if kirk lives at home? what is the expected total cost for one year at the out-of-state school if kirk lives on campus?