The mineral deposits in North America are located in three zone. Which of the following is/are the three zones?
A. the Canadian region north of the Great Lakes
B. the Appalachian region
C. mountain ranges of the west
D. All of these
Answer:D
The mineral deposits in North America are located in three zone. Which of the following is/are the three zones?
A. the Canadian region north of the Great Lakes B. the Appalachian region C. mountain ranges of the west D. All of these