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What is the purpose of the constructed wetland in remediating surface runoff waterQuestion 2Answera.It controls atmospheric PM2.5b.It is a renewable energy sourcec.It controls water pHd.It is used for waste managemente.It removes sediments and nutrients

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What is the purpose of the constructed wetland in remediating surface runoff waterQuestion 2Answera.It controls atmospheric PM2.5b.It is a renewable energy sourcec.It controls water pHd.It is used for waste managemente.It removes sediments and nutrients

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Solution

The purpose of a constructed wetland in remediating surface runoff water is primarily to remove sediments and nutrients.

Here's a step-by-step explanation:

  1. Surface runoff water often contains various pollutants, including sediments and nutrients like nitrogen and phosphorus, which come from agricultural lands, urban areas, and other sources.

  2. When this polluted water enters a constructed wetland, the plants, microorganisms, and the physical processes within the wetland work together to treat these pollutants.

  3. The plants in the wetland, for example, can absorb nutrients, while the sediments can settle out of the water and onto the bottom of the wetland.

  4. Microorganisms in the wetland can also break down or transform certain pollutants.

  5. Through these processes, the constructed wetland can significantly reduce the amount of sediments and nutrients in the surface runoff water, thereby helping to protect the quality of downstream waters.

So, the correct answer is e. It removes sediments and nutrients.

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