Lower fertility rates or religion beliefs
<span>The populations are already sparse (due to being mainly desert) added to the fact that there is a huge influx of people seeking work oppotunities in the oil industry, from Westerners to Asian communities. This swamps the local population. </span>
B; As far as the relation between humans and the environment, it is obvious how much they relied on it. Not only as a food source, but for economic growth and sustainability as well. The other answers make valid points but in the context of this question, the only one that even mentions the relation is B.
The trade of goods between the New World and Old World
Answer: B, but not really...
Alternate Answer: Stars don't move, they are stationary in space.The Earth rotates around the sun and it appears that the sun and stars rotate around us, but they don't.
