A. NIC, OPEC and G7
B. Low income , middle income and high income
C. Southeast Northeast and Southwest
D. Asia, America and Europe
Correct Answer: Low income , middle income and high income ✔
Last Updated: June 18, 2019
A. NIC, OPEC and G7
B. Low income , middle income and high income
C. Southeast Northeast and Southwest
D. Asia, America and Europe
Correct Answer: Low income , middle income and high income ✔
Last Updated: June 18, 2019