The answer is a stream. The water leaves a lake through a stream to maintain the freshness of the lake waer. A stream is where the water flows downhill from an open lake. An open lake is where the water flows constantly so that the water is fresh.
Census = the fourth answer
Demography = the first answer
Carrying Capacity = the third answer
Population Density = the second answer
Hope this helps!
The Tian Shan mountain range is located in the north and the west of Taklamakan Desert, which is located in Central Asia.
Happy Studying! ^=^
The answer is a full moon