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An aquifer is an underground reservoir of water that rests in a layer of sand, gravel, or rock that holds the water in pores or crevices.

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2. What is water from an aquifer used for in Texas?

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2. What is water from an aquifer used for in Texas?

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Water from an aquifer is used mainly for irrigated agriculture, manufacturing, outdoor recreation, and drinking.

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The water an aquifer contains.

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Most aquifers are naturally recharged by rainfall or other surface water that infiltrates into the ground.

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found in limestone and marble rock which can be dissolved by water forming large holes, channels, and even large underground caverns, lakes and streams.

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6. What types of organisms can live in karst aquifers?

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6. What types of organisms can live in karst aquifers?

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Bats, salamanders, cave fish, cave crayfish, cave spiders, and cave crickets.

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7. What is the difference between a confined aquifer and an unconfined aquifer?

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7. What is the difference between a confined aquifer and an unconfined aquifer?

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Water can't pass through a confined aquifer, but it can in an unconfined aquifer.

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8. What is a playa lake? What role does it play in Texas?

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8. What is a playa lake? What role does it play in Texas?

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A naturally occurring wetland (averaging about 17 acres) formed when rain fills small depressions in the prairie and are recharge points for the Ogallala Aquifer.

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9. What kinds of aquatic ecosystems exist in groundwater?

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9. What kinds of aquatic ecosystems exist in groundwater?

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Can support entire ecosystems that include invertebrates, fish, and amphibians.

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10. What adaptations enable aquatic life to exist underground?

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10. What adaptations enable aquatic life to exist underground?

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The absence of eyes, highly developed touch receptors, and low metabolism.

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The points where underground geology allows groundwater to travel to the surface and emerge forming pools and ponds or to form the headwaters of streams and rivers.

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12. How have springs influenced Texas’ history?

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12. How have springs influenced Texas’ history?

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One such fault in Texas is the Balcones fault which runs from approximately the southwest part of the state near Del Rio.

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A break in the rocks that make up the Earth's crust, along which rocks on either side have moved past each other.

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14. What is a way humans withdraw water from aquifers?

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14. What is a way humans withdraw water from aquifers?

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If the aquifer is shallow enough and permeable enough to allow water to move through it at a rapid-enough rate, then people can drill wells into it and withdraw water.

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15. How can we help conserve groundwater?

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15. How can we help conserve groundwater?

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Reduce chemical use, manage waste, don't let water run, and fix the leaky faucet.