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.
You should first consult with past teachers of a similar subject to determine if they they think it's fitting and then to your counselor/ scheduling official. (Please be sure you have any prerequisites for the course, have summerwork/ projects to complete)
The answer is C. Natural sources are limited. People tend to get their resources from the environment in order to live and survive. Because of the increasing number of human population, resources become scarce and there is not enough supply for consumption in the near future.
Pound was influenced here by the Japanese haiku form, which utilises images from nature to connect the momentary with the timeless, the miniature with the transcendent. The idea of people's faces being like 'petals' suggests their fragility and the brevity of life
nat-geo