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Freshwater Biome: Types, Plants, and Wildlife - Treehugger
Fresh water - Wikipedia
Freshwater (Lakes and Rivers) and the Water Cycle Completed - USGS.gov
Freshwater Ecosystem - National Geographic Society
Freshwater Resources - National Geographic Society
Freshwater biomes (article) | Khan Academy
Freshwaters: Global Distribution, Biodiversity, Ecosystem Services, …
Freshwater Ecosystems - Education | National Geographic Society
Fresh Water | UNEP - UN Environment Programme
About fresh water | UNEP - UN Environment Programme