Some of the natural sources of air pollution are organic compounds from plants, sea salt, suspended soils and dusts (e.g. from the Sahara). Other natural sources are released during catastrophes such as volcanic eruptions and forest fires.
Answer: Natural sources of air pollution- Wildfire, volcanic eruptions, earthquakes etc. Man-made sources of air pollution – Thermal power plants, Sewage disposal, Overpopulation, Deforestation, etc.
A natural pollutant is a pollutant created by substances of natural origin such as volcanic dust, sea salt particles, photochemically formed ozone, and products of forest fibres, among others.
“Most air pollution comes from energy use and production,” says John Walke, director of the Clean Air Project, part of the Climate and Clean Energy program at NRDC. “Burning fossil fuels releases gases and chemicals into the air.”
The top 10, in alphabetical order, are: artisanal gold mining; contaminated surface water; contaminated groundwater; indoor air pollution; metals smelting and processing; industrial mining; radioactive waste and uranium mining; untreated sewage; urban air quality; and used lead–acid battery recycling.
Many types of sources contribute to air pollution in an airshed, both natural and anthropogenic (human- produced). Volcanoes, desert dust, sea spray, meteorites, decay of radon, and fires produce natural air pollution. Volcanic ash can travel hundreds to thousands of miles downwind from a volcano.
Answer: The two major sources of air pollution is; Air factory or all factory which produce pollution.
Developing- Fuelwood burning is a major source of indoor air pollution in the developing world.
The common sources of outdoor air pollution are emissions caused by combustion processes from motor vehicles, solid fuel burning and industry. Other pollution sources include smoke from bushfires, windblown dust, and biogenic emissions from vegetation (pollen and mould spores).
Burning of fuels like wood, cow-dunga cakes, coal and kerosene.
( eg: dust storms and volcanic eruptions) and human activities (eg: emissions from vehicles, industries etc.) are called primary pollutants. Eg: smoke, dust, oxides of sulphur & nitrogen, hydrocarbons and particulate matter etc.
Summary. Air pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities. When ozone forms air pollution, it’s also called smog.
The main source of indoor radon is the radon produced by the decay of radium in the soil subjacent to a house.
Natural pollution comes from natural sources like release of methane by cattle and paddy fields, carbon dioxide from plants and animals, dust storms, nitrogen oxides, ozone, volcanic eruptions, emission of natural gas, soil erosion, ultraviolet rays, etc. Mercury is not a cause of natural pollution.
Which of the following are sources to fluorine air pollution? Explanation: Phosphate rock (Fluorapatite) is used for manufacturing of fertilisers and contributes to fluorine air pollution along with steel industries and coal combustion.
Pollution is not caused by hydrolytic power plant, whereas thermal power plants, automobile and radioactive power plant are the causal agent of pollution.
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