FACTOID # 21: 15% of Army recruits from South Dakota are Native American, which is roughly the same percentage for female Army recruits in the state.
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Encyclopedia > Area source (pollution)

Area sources emit a substance or radiation from a specified area. For example, area sources of air pollution are air pollution sources which operate within a certain region. Locomotives operating on certain tracks or paths are examples of a line source, whereas locomotives operating within a railyard are an example of an area source of pollution. Before flue gas desulfurization was installed, the emissions from this power plant in New Mexico contained excessive amounts of sulfur dioxide. ... Great Western Railway No. ...

Other area sources of pollution are:

Flue gas stack at GRES-2 Power Plant in Ekibastus, Kazachstan is 420 meters tall Flue gas stacks are large vertical pipes, channels or similar structures through which combustion product gases (called flue gases) produced when coal, oil, natural gas, wood or any other fuel is combusted in an industrial... The Old Fire burning in the San Bernardino Mountains (image taken from the International Space Station) A wildfire, also known as a forest fire, vegetation fire, grass fire, brush fire, bushfire (in Australasia), or hill fire, is an uncontrolled fire often occurring in wildland areas, but which can also consume... This article or section is in need of attention from an expert on the subject. ... Volatile is the name of more than one concept: A financial instrument with high volatility is considered volatile in economics. ... Runoff flowing into a stormwater drain Surface runoff is water, from rain, snowmelt, or other sources, that flows over the land surface, and is a major component of the water cycle[1][2]. Runoff that occurs on surfaces before reaching a channel is also called overland flow. ...

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