watershed - an area of land where all of the water drains to a particular body of water, non-point source pollution - "people pollution" you can't tell where it exactly came from, point source pollution - the source of the pollution can be pointed to or known, run off - when water runs off the land, it takes chemicals with it, aquifer - a source of underground water, estuary - a place where salt water from the ocean meets fresh water, wetlands - lands, like swamps or marshes, that are periodically wet., erosion - the wearing away of the land by water or wind, water conservation - steps we can take to avoid wasting water, ecosystem - a community of living things interacting with the physical environment, climate change - abrupt and long term changes in weather patterns across the globe , habitat - a place that provides for the needs of the the living things found there ,

Watershed Vocabulary

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