Groundwater Answers
A scientist observes hot water erupting from a vent in the Earth. What most likely caused the water to rise and erupt from the vent?
A model of Earth’s water budget shows that the precipitation on oceans is 420,000 km3 and the precipitation on land is 130,000 km3. If the evaporation from land is 90,000 km3, how much is the evaporation from oceans?
A city worker is trying to dig to reach the water table. She knows the unsaturated zone in the area is four feet thick and the saturated zone is another five feet thick before an impermeable granite layer is reached. How deep will she have to dig to reach the water table?
An aquifer receives 20 m3 of precipitation and loses 2 m3 of water through natural movement. If the water budget must be balanced, how much water can be pumped from the aquifer?
Why is permeable soil best for plants that need a lot of drainage?
Which would allow humans to access groundwater?
What most likely happens if water flows through a permeable soil layer and reaches a clay layer?
What would a person drilling a well most likely reach immediately after drilling through the unsaturated zone?
Which statement best describes a spring?
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