Answer:
A confined aquifer is an aquifer below the land surface that is saturated with water. ... A water-table--or unconfined--aquifer is an aquifer whose upper water surface (water table) is at atmospheric pressure, and thus is able to rise and fall.
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Answer: The reason why ocean tides rise is very simple. The moon has a gravitational pull on the Earth. This pull brings the oceans to a tide. Basically, the moon causes the pull. This can happen up to 6 times per day, in some rare cases, more.
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