Answer:
European, African, Native American
Explanation:
This is because of the history of the region. The Europeans during their exploration (remember Christopher Columbus?) discovered this new continent and settled down. Farming was their main economic activity at the time. Because they needed cheap labor, they engaged in slavery by importing slaves from Africa to work on the farms. The interaction between the two races is attributed to the current race in South America. Native Americans due to their close proximity have also interacted with the races in these regions.
Answer:
Russians have a new social class of wealthy business people.
the picture that shows a plain is 4
I guess this could be personal prefrence, but I think that most people would live near the Tropic of Capricorn because the Arctic Circle would way to cold to habit and live there all year.
<span>Similar to how sand sinks to the bottom of a river, during the formation of the planet, when earth was still a hot ball of liquid rock and minerals; the most dense materials would make their way to the bottom, while less dense materials (like liquid rock) would "float" on the top of this growing ball of liquid metal. As iron was (and is) plentiful, and quite a dense mineral (which is why it blocks x-rays), it makes up the majority of the Earth's core. So I would say A.</span>