Ch12Quiz
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Although more than two-thirds of Earth's surface is covered by water, many areas lack sufficient water to meet their drinking and agricultural needs. Why? ( Freshwater Systems ) | show 🗑
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show | an underground water source stored in porous rock or sand.
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Use of the water from the Colorado River has ( How We Use Water ) | show 🗑
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show | groundwater recharge is much slower than recharge of surface water.
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The largest reduction in worldwide water use would be achieved by | show 🗑
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An example of a non-point source of water pollution is ( Water Pollution and Its Control ) | show 🗑
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show | have been so overfished that fishing in some fisheries has been completely banned.
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show | it requires large inputs of energy.
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show | discharging more water loaded with silt into the ocean, helping to build the delta
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The most cost-effective solution for groundwater depletion and land-level subsidence is ( How We Use Water ) | show 🗑
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show | overconsumption by cotton farmers
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What is the direct cause of death for aquatic animals during eutrophication? ( Water Pollution and Its Control ) | show 🗑
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show | agricultural.
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show | a high content of dissolved oxygen
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Salt can be removed from seawater by ( Solutions to Depletion of Fresh Water ) | show 🗑
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Overpumping of groundwater causes all the following EXCEPT ( How We Use Water ) | show 🗑
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show | cumulative small losses from boats and runoff from land.
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A marine protected area is ( Overfishing and Marine Conservation ) | show 🗑
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show | phytoplankton.
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The best term for managing fish populations by maintaining them at a maximum growth rate and achieving maximum yield while keeping fish available for the future is ( Overfishing and Marine Conservation ) | show 🗑
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Which coastal habitat is a mixing place of fresh and salt water? ( Marine and Coastal Systems ) | show 🗑
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Ocean areas of high productivity are often found ( Marine and Coastal Systems ) | show 🗑
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Ecosystem services provided by mangrove forests include all of these EXCEPT ( Marine and Coastal Systems ) | show 🗑
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show | Moratoriums on fishing in certain areas (like the Georges Bank and the Grand Banks) have allowed fish stocks to
recover and have helped to reseed other fishing areas.
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Which of the following is NOT a benefit of marine reserves? ( Overfishing and Marine Conservation ) | show 🗑
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