The positive impacts of flooding on the environment include:
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Creation of new aquatic habitats: Flooding can lead to the development of new habitats for various aquatic species.
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Expansion of floodplains: Flooding can enrich and expand floodplains, which are important for biodiversity and can improve soil fertility.
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Groundwater recharge: Flooding can enhance the recharge of groundwater supplies.
While improvement in drinking water quality is less commonly classified as a direct positive impact, the other three options are clear environmental benefits associated with flooding.
Overall, any of the options related to habitat creation, floodplain expansion, and groundwater recharge can be considered positive impacts of flooding.
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