Regions of the earth's waters, crust and atmosphere in which organisms can exist is the Biosphere
Physical characteristics of a place make up its natural environment and are derived from geological, hydrological, atmospheric, and biological processes. They include land forms, bodies of water, climate, soils, natural vegetation, and animal life.
Louisiana - Spanning nearly 1 million acres, south-central Louisiana's Atchafalaya Basin is the nation's largest river swamp. A distributary of the Mississippi River, the swamp begins near Simmesport and stretches 140 miles south to the Gulf of Mexico.
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