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Human Impacts

Topic 7, Lesson 3 and 4: Impacts on Land and Water Pollution

natural resource anything naturally occurring in the environment that humans use
renewable resource a resource that is either always available or is naturally replaced in a relatively short time
nonrenewable resource a natural resource that is not replaced in a useful time frame
deforestation the removal of forests to use the land for other reasons
erosion the process by which water, ice, wind or gravity moves weathered particles of rock and soil
desertification the advance of desert-like conditions into areas that previously were fertile; caused by over-farming, over-grazing, drought and climate change
sustainable using a resource in ways that maintain it a certain quality for a certain period of time
resource a source of aid or support that may be drawn upon when needed
sewage the water and human wastes that are washed down sinks, toilets, and showers
sediment small, solid pieces of material that come from rocks or the remains of organisms: earth materials deposited by erosion
thermal pollution a type of pollution caused by factories and power plants releasing super heated water into bodies of water
distributed spread out
Created by: ScienceWTRMS