Mastering Questions Test 2

Why is grain production in the Great Plains considered largely unsustainable?

The Ogallala aquifer is being depleted for irrigation water

Using water to power electric generators in a dam is a ________ use of water.

nonconsumptive

What is the main way that humans use water in a consumptive fashion?

irrigation, it uses 70% of freshwater

Xeriscaping can save water by ________

planting native or drought-resistant landscaping plants, like cacti

"Blue-baby" syndrome is a consequence of excess ________ in the water supply

nitrates, the oxygen in babies blood is reduced

"Biosolids" produced at a wastewater treatment plant are often ________.

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Artificial wetlands ________.

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An example of non-point-source pollution is ________.

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Which of the following is the name for water that has been used by humans and then treated for release back into the environment?

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What is the spatial relationship between the distributions of water and people?

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In thermohaline circulation systems, surface water is ________.

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Areas of ocean upwellings are often the sites of ________.

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Zooxanthellae are ________.

symbiotic algae that provide corals with energy via their photosynthetic activity

The ________ is the gently sloping area that underlies the shallow water bordering continents.

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Which coastal habitat is a mixing place of fresh and saltwater?

salt marsh

Which of the following is TRUE of eutrophication in marine systems?

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Bottom trawling is most likely to harm ________

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Which of the following is an example of bycatching?

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What are groundfish?

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All of the following are allowed in marine protected areas EXCEPT ________.

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