SCIENCE
ENVIRONMENTAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Lakes may contain a region that receives little sunlight.
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Wetlands help remove pollutants from water
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Swamps are dominated by woody shrubs and water-loving trees
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Rivers generally move faster, and their oxygen levels decrease, as they near the ocean
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Detailed explanation-1: -Oxygen levels are higher at the source of rivers and streams, so organisms that require higher levels of oxygen will be found there. Organisms that require lower levels of oxygen will be found nearer the mouth.
Detailed explanation-2: -The non eutrophic have oxygen levels stable as you go to a lower depth becuase there is not as many mosses and plants to take up that oxygen.
Detailed explanation-3: -The minimum essential characteristics of a wetland are recurrent, sustained inunda-tion or saturation at or near the surface and the presence of physical, chemical, and bio-logical features reflective of the recurrent, sustained inundation or saturation.
Detailed explanation-4: -Answer and Explanation: The statement that is not true about wetlands is that wetlands only exist in freshwater areas or choice d.