I would say c is the correct answer as if there is a low birth rate, when the population ages you are going to have lots of people retiring and not as many people working and paying taxes so pressures on pensions and social security programs will rise. Hope this helps :)
The answer is zero because <span>if you go to your mailbox then you moved 10m until you walk back to your house then you lose your displacement.</span>
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.
