Air pollution is a major environmental health problem affecting the developing and the developed countries alike. The effects of air pollution on health are very complex as there are many different sources and their individual effects vary from one to the other. It is not only the ambient air quality in the cities but also the indoor air quality in the rural and the urban areas that are causing concern. In fact in the developing world the highest air pollution exposures occur in the indoor environment
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The causes of pollution Pollution is the release of harmful environmental contaminants. The main air pollutants are carbon monoxide‚ lead oxides‚ sulfur dioxide and nitrogen oxides. The principle causes of pollution are exhaust pipes from motor vehicles‚ smoke released by factories and moreover‚ industrial plants burn coal and oil‚ which contain sulfur. New inventions and processes have been continuously developed to improve our way of life; such developments are called technological
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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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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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Reading Worksheet William Cronon‚ Changes in the Land History 2110 Indians 1. How did the Indians occupy the land? The northern Indians occupied the land much differently from those who lived in the south. The land was drier in the north‚ and the soil not as fertile‚ so agriculture was not a main source of subsistence. All Indians relied greatly on mobility throughout the seasons for survival. Those in the south were able to stay in one place for longer however because of the fertility
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Axia College Material Appendix D Air Pollution Chart After reviewing Ch. 8 and 9 of your text‚ complete the following table‚ then respond to the questions that follow: Issue Sources Health/Environmental Effects Carbon dioxide (CO2) Greenhouse gas‚ Combustion of fossil‚ fuels such as coal‚ oil‚ gas in power plants as well as volcanoes. Also found in soft drinks Helps plants with photosynthesis also keeps the earth insulated. But also keeps the temperatures rising. Also cause global warming
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Nuresa Riana Nugraha 16312130 Effects of Land Clearing By Lindsey Leach‚ eHow Contributor Land clearing impacts the environment significantly‚ whether it is a small scale or large scale clearance. When land clearing is extensive the effects can be irreversible‚ but when the clearing is minimal the effects can be reversed. The threat to the environment lies with the irreversible clearance and can destroy an entire ecosystem causing environmental threats‚ such as green house gas
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THE BRITISH HOME FRONT In August 1914‚ Britain was ill-prepared to fight a prolonged war on the Continent. Nevertheless‚ changes were soon made to rectify this situation. 1. Increasing government control over society and the economy: • Britain introduced the Defence of the Realm Act in August 1914‚ to give the government special powers to run the war. • Heavy industry (eg. Steel) was placed under government control. • Certain industries were nationalised. These included the coal industry
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Introduction In China‚ an increasing population and rapid economic growth as well as lax environmental oversight have increased water pollution. Therefore‚ deterioration of drinking water quality continues to be a major problem. Continuous emissions from manufacturing are the largest contributor to lowered drinking quality across the country. China’s major river systems exhibit the scope of the problem. Perhaps 70 percent of their water is so polluted that it has been deemed unsafe for human contact
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Economies Traditional Economy‚ Command Economy & Market Economy Traditional Economy Definition A traditional economy is an economic system where customs‚ traditions and beliefs determine the goods and services created by the society. It is dependent on agriculture‚ hunting and gathering‚ fishing or any combination of the above. Also called a subsistence economy‚ it may involve use of barter trade instead of currency. Characteristics Traditional economies are often based on one
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