The answer is occluded front
Answer:
Challenger Deep at 36,070 ft. ~ 11000 meters
Explanation:
I think the two sources would be drip irrigation which is like a river, lake, groundwater, etc... The second source could be is making a new irragation system that could deliver water faster.
I think earthquakes or volcanoes.
Answer:
In the coustoms hall at tashkurgan, the last town on the road from china's xinjiang province into pakistan, I felt a by-now familiar sense of trepidation. The karakoram highway, also known as the friendship highway in china, was built by the government of pakistan and china. It was started in 1959 and public in 1979. The china-pakistan border is 592 kilometre (368mi) and runs west-east from the disputed tripoint with afghanistan to the disputed tripoint with india in the vicitrity of the siachen glacien.