North america accounts for approximately 5% of the population, but what percent of world energy consumption? a. 11% b. 21% c. 31% d. 41%

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

What was the “u-2 incident” and how did it affect u. s./soviet relations in 1960?

What was a goal of the treaty of versailles? to germany rebuild its industry to build better roads and factories in germany to make sure germany did not invade france in the future to give great britain and the united states credit for their in wwi