Which cells does hiv attack? - the cells of the immune system - bacterial cells invading the body - the cells of the liver - the cells of the mucous membranes

Which of the following may one conclude from a map that shows the average ph value of rainfall in the u.s.? acid rain is a more serious problem on the east coast. acid rain falls equivalently across the continental u.s. there are more factories on the west coast. the midwest has fewer forests than the rest of the u.s.