It is the job of the respiratory system to a. support the body and allow movement b. transport nutrients and oxygen throughout the body c. exchange air between the environment and the body d. breaks down food to get nutrients

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.