"The main negative effect of outsourcing is it increases U.S. unemployment. The 14 million outsourced jobs are almost double the 7.5 million unemployed Americans. If all those jobs returned, it would be enough to also hire the 5.7 million who are working part-time but would prefer full-time positions."
Source:
https://www.thebalance.com/how-outsourcing-jobs-affects-the-u-s-economy-3306279
Luzon straight is the Island that lies in between the south chin sea and the pacific Ocean
National park's are meant to be a safe place for animals and nature where they can't be harmed or pursued for human use. The second question depends on your point of view but the natural environment does need to be protected.
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.
Between the icy pole and streamy tropics
