What causes air pollution and why is it bad? Well‚ many things can cause air pollution‚ but most air pollution comes from motor vehicles like cars; burning wastes; industry and power plants; and heating buildings. Natural disasters‚ like forest fires and volcano eruptions‚ can cause air pollution‚ too. Whenever fossil fuels are burned‚ like when gasoline burns inside a car engine‚ pollutants like dust‚ soot‚ carbon dioxide‚ and sulfur oxide can fill up the surrounding air. Exposure to air pollution
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Air Pollution To understand pollution of air‚ some knowledge of the atmosphere is required. Atmosphere is a layer consisting of a few gases surrounding the planet earth and is vital for the survival of life on earth. The atmosphere protects earth from abrupt temperature fluctuations from the powerful ultra violet radiation coming from the sun. The atmosphere is made up of nitrogen 78%‚oxygen 21%‚argon 0.9%‚carbon dioxideo0.03% and small amount of trace gases ‚helium ‚neon‚ krypton‚ xenon‚ hydrogen
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98255 53175 AIR POLLUTION & HEALTH: Importance of Air pollution Air pollution is a major threat of the 21st century. Air pollution is woven throughout the fabric of modern life. Man has polluted air so much that clean air has become more than a luxury for him today. Every man must fight against air pollution on a war front‚ instead of wringing his hands in despair or joining the carping crowds demanding a halt to our technological advances. Sources of air pollution Mobile
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conflicts in the South Durban Basin: Integrating residents’ perceptions and concerns resulting from air pollution Jyoti Jaggernath* Abstract With a complex mix of large scale industries and major transport networks‚ the South Durban Basin (SDB) residential area has been subjected to a considerable amount of environmental impacts and conflicts. A major concern in the area is the effects of air pollution on human health and ecology that are caused by the emissions of unacceptable levels of toxins
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EFFECT OF SURFACE AREA ON AIR FRICTION Design Background Information: Air resistance‚ also called drag‚ is the forces that are in opposition to the relative motion of an object through the air. Drag forces act opposite to the oncoming flow velocity. Size and shape are the two factors that affect air resistance. Air resistance depends on the surface area‚ so‚ as the surface area increases‚ the air resistance increases. When an object is falling‚ air resistance acts to push it back up. This is
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Air Pollution Air is the most important element of life. For some ’air pollution‚’ let us give thanks. Dust and other particles in the atmosphere serve as nuclei about which raindrops form. But man has overloaded the sky. For centuries he has pumped particulate matter and gases into the atmosphere. As far back as 1661‚ a tract on air pollution was published in England: Fumifugium: or the Inconvenience of the Aer and Smoake of London Dissipated. Today much of the world suffers from the eye-smarting
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Marketing Strategy Air Asia’s quirky means of promotion has certainly helped make the airline a household name. Yet‚ barely eight years ago when it began operations‚ Air Asia had just two planes and a host of obstacles - Sars and the Sept 11 terrorist attacks included that preventing it from taking off. Today‚ the Malaysia-based budget airline boasts a fleet of 80 aircraft that ply over 122 routes‚ with 480 flights to more than 65 destinations daily. Group CEO Tony Fernandes has been
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Nowadays‚ our community has many environmental problems‚ but the obviously problem is air pollution. People around the world‚ especially in the cities‚ see air pollution as an important problem because cause it makes many big effects such as worsens earth’s atmosphere and harms living creatures. Air pollution is created by both natural actions and humans activities‚ but mostly‚ air pollution is made by humans. The three principal causes that humans have done are burning fuels in vehicles‚ unsuitable
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low returns‚ bankruptcies and ever-fluctuating demand. Air France has been preventing the situation by developed strategies such as a progressive operating lease‚ short- or medium term lease of substantial part of fleets to reduce capacity and cost. Since 2006‚ the traffic of air travel has been growing rapidly‚ which created a competitive landscape in the airline industry and also the emergence of e-commerce as a direct to consumer sales. Air France took those opportunities by providing online services
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Air Pollution CFish Mr. Nollen Biology 2B 8 May‚ 1996 The Problem Contamination of the atmosphere by gaseous‚ liquid‚ or solid wastes or by-products that can endanger human health and the health and welfare of plants and animals‚ or can attack materials‚ reduce visibility‚ or produce undesirable odors. Among air pollutants emitted by natural sources‚ only the radioactive gas radon is recognized as a major health threat. A byproduct of the radioactive decay of uranium minerals in certain kinds
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