This reaction can be used to eliminate bacteria and e-coli from drinking water. what mas of iron(iii) oxide (fe203) and aluminum must be used to produce 15.0 g iron(fe)? what is the maximum mass of aluminum oxide that could be produced? (40)

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals