Based on the map and the information, what conclusion can be made? A. Natural resources play a key role in economic development. B. Natural resources allow countries to isolate themselves from trade. C. Natural resources are best utilized by command economies. D. Natural resources provide all people with a high standard of living.

In which research method does a researcher change the value of one variable to determine how the change affects another variable? a. experiment b. observational research c. survey d. case study

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

Idont know any of these can anyone me