Answer: aquifers
Explanation:
Some people obtain their water from underground layers of rock or sediment called aquifers. It's a naturally occuring underground layer of rock, gravel, sand or even salt that contains a lot of water. This is enough to provide a lot of water supply that people can use
Step-by-step explanation:
It's a naturally occuring underground layer of rock, gravel, sand or even salt that contains a lot of water. This is enough to provide a lot of water supply that people can use.
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