How important is groundwater? Why do water levels in wells rise and fall? Your mom drinks "artesian well water". What is it? Ground water always clean? If yes conclude, How can water be flowing out of a hill? And basics of Ground water for example what is porasity, permeability, water table, saturated zone, unsaturated zone... etc these are related subject.

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Accepted Answer

Groundwater is crucial for human and ecosystem survival. Water levels in wells rise and fall due to various factors. Artesian well water is from a confined aquifer. Groundwater is not always clean. Water can flow out of a hill due to natural springs. Porosity, permeability, water table, saturated zone, and unsaturated zone are important groundwater concepts.

Groundwater is essential for human and ecosystem survival
Water levels in wells fluctuate due to factors such as rainfall, pumping, and recharge rates
Artesian well water is from a confined aquifer where water is under pressure and can flow to the surface without pumping
Groundwater is not always clean and can be contaminated by human activities such as agriculture and industry
Water can flow out of a hill due to natural springs where groundwater is discharged at the surface
Porosity refers to the amount of empty space in a rock or sediment that can hold water
Permeability refers to the ability of a rock or sediment to allow water to flow through it
The water table is the top of the saturated zone where all the pore spaces are filled with water
The saturated zone is where all the pore spaces are filled with water
The unsaturated zone is where some of the pore spaces are filled with air and some with water