Answer:
Mostly mountains and brick walls.
Explanation:
(Sorry, I do not know the specific parts of China they were located in)
Providing a place where their children could be taken care of while the workers worked.
Answer:
The Arctic Refuge's coastal plain is already short on space; it's much narrower than Prudhoe Bay, so has less area where animals can spread out. Birds tend to congregate around surface ponds, which are only able to hold water because of permafrost.
Explanation: