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An aquifer recharge zone is any area where water _______.
infiltrates Earth's surface and reaches an aquifer below
When a water-bearing porous layer of rock, sand, or gravel is trapped between upper and lower layers of less permeable substances, it is _______.
an artesian aquifer
A freshwater wetland located in a forested area where the rooted plants are able to grow above the water's surface throughout the entire wetland is called a (an) _______.
Which of the following wetland environments only occurs for a short period of time each year?
The fish in the lake at the local park are dying. A professor from the local college comes to investigate, and first she measures the dissolved oxygen. She wants to check the ________.
possibility of eutrophication
What is the spatial relationship between the distributions of water and people?
Populations and water resources too often have an inverse relationship (lots of people where there is little water).
What caused the Aral Sea, the fourth largest lake on Earth, to lose four-fifths of its volume in 40 years?
overconsumption by cotton farmers
A farmer wakes up one morning and sees a large circular area of land on his farm that is sunken. What may be the problem?
groundwater was overpumped.
As of 2010, the saga of the Colorado River's water resource allocation is being complicated by ________.
several years of drought coupled with the rapid growth of Las Vegas
Sinkholes can occur when ________.
excessive water use lowers a water table and weakens the substrate
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