Answer:
When it rains, rainwater soaks into the ground and puts pressure on the existing water in the ground, forcing some of it to move through natural cracks and openings in the rock until it reaches the surface and forms a(n) spring.An underground layer of permeable rock that is situated between two layers of impermeable rock so that water is trapped within it is called a(n) confined aquifer.
Explanation:
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C since in 2011, the South Sudanese voted on a referendum in which about 99% of the voters voted to separate from Sudan and to become an independent country.
The body of water that the city of Los Angeles is located on is called the Los Angeles River. It now flows through a concrete channel on a fixed course, since it has been redrawn after many chaotic floods. The river is rarely used however for fresh water for the city, as it is now very polluted and has urban discharge in it's water, so the aqueducts in the city are now used for the fresh water mainly utilized in Los Angeles.