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Hydroponics-Which Hydroponics system floods a tray with nutriens then draining it back to the reservoir?
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water culture system
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aeroponic system
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Ebb and Flow system
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Drip system
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Global Warming-What percent of greenhouse gasses is water vapor?
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53%
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75%
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7%
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31%
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Arctic Ownership-Canada wants to use what type of vehicle to map The Arctic Ocean's seabed?
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AUVs(Autonomuos Underwater Vehicle)
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military boats
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planes
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submarines
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Water Pollution-Which of these pollutants can stop plants from gaining as much sunlight as they usually do?
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sulfur
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oil
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lead
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nitrates
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Overfishing-which group of fish is extict from overfishing?(the rest are endangered)
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Caviar,Swordfish,Alabama Shad
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Silver Trout, Blue Pike, Wild common carp
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Zona,Orange Roughy, Silver shark
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Mexican Dace, June Sucker, Ameca Shiner
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Bottled Water- How much money, world wide is used to buy bottled water?
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$86.4 billion
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$10 billion
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$10 million
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$7.7 billion
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Desalination-What is desalination
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The process of taking the salty minerals from the water.
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the machine that takes the minerals out of the water.
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the process ofseperating the water into different products
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the way the water flows
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Recreation- Which acticity does NOT include always being in or on the water?
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swimming
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fishing
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boating
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seadooing
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Hydroelectricity-Which is an advantage of hydroelecticity?
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it doesn't depend on rain
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it will not change water quality
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it is at a low cost
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it causes less polution
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human water needs-What is water NOT used for?
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fountains
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cleaning
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eating
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bathing