As water moves slowly through a wetland, some waste materials settle out, some wastes are absorbed by plants, and silt and mud is trapped by plant roots. In this way, wetlands act as natural

As water moves through a wetland, plants and soil trap silt and absorb or hold some waste materials. This process removes pollutants from the water, so wetlands act as natural filters. Habitats are places where organisms live, while tributaries and artesian wells are types of water sources.

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