The biggest problem for racial integration is that people live in segregated areas: so simply a school can have a majority of children from one background because the area around the school is inhabited by people of this background.
So the correct answer is d. Segregated housing patterns are still common in many communities.
The Gaia Theory was proposed. By the british.
I'm not sure but exercise?
9. A person who does not stay long in the same place.<span>
10. The supply of water to land or crops to help growth, typically done by channels.
</span><span>12. A country between two rivers</span>
Any other numbers I mean like what you mean