In the Category of People Over Age 25 in North

Q28: The majority of Native Americans now live

Q29: The U.S.-Canadian border is approximately _ miles

Q30: Most flying in North America is done

Q31: Which of the following mountain chains is

Q32: Married couples in which both spouses have

Q34: A dead zone is:<br>A) an area near

Q35: The total population of Native Americans in

Q36: An area where water is so polluted

Q37: The increase in birth rate that took

Q38: The U.S. population is about _ times