How does the air get polluted? means of purifying it
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Answer:
The pollutants that contaminate the quality of air are known as “Air pollutants”; such as smoke from forest fires, cigarettes, factories, dust, etc. Majority of the air pollution occurs due to the use of energy and production by factories. Additionally, there are fossil fuels that are being burnt that release harmful gases and chemicals into the air.The methods for controlling gaseous pollutants is the use of techniques to recover or destroy polluting substances. There are 4 commonly used technologies for gaseous pollutants: absorption, adsorption, condensation, and combustion (flare).
Air gets polluted in many ways. Air maybe polluted due to the CO2 and other such toxic emissions released by vehicles and industries. Wildfires, Volcanic eruptions and burning of fossil fuels also contribute to air pollution.
Air can be purified by planting more trees as they release oxygen. Using public transport for travel, and walking for nearby distances makes sure that vehicles are used less. Sustainable development and time will reduce air pollution.