atmospheric pollution. Acid rain contains two types of acids: nitric and sulfuric. These chemicals‚ or precursors‚ are emited by natural sources such as volcanoes and decaying vegetation. Man-made sources are also primary causes for emissions of sulfur dioxide and nitrogen oxides that come from fossil fuel combustion. The most common emiters of these fossil fuels are power plants‚ factories and automobiles. Acid rain does not only degrade the environment‚ it causes negative issues on political‚ social
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Abundance and Extraction of Metals 1. a Mineral - A mineral is a naturally occurring inorganic solid‚ with a definite chemical composition‚ and an ordered atomic arrangement. b Ore - Deposit in the Earth of valuable metals contained in minerals. c Economic Natural Resource Deposit - This is a natural deposit of something that is economically viable to mine‚ refine and sell. Hence the deposit must be big enough to last for a large period of time‚ so that it will make enough money for the
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Public Health. Here are some pollutants produced by human activity and how they can be produced. • Sulfur oxides are produced by volcanoes and many other industrial processes. Due to coal and petroleum often containing sulfur compounds‚ combustion can cause sulfur dioxide. Its formula is SO2. • Nitrogen oxides are emitted from high temperature combustion like nitrogen dioxide. Nitrogen dioxide‚ NO2‚ is one of the most prominent air pollutants. • Carbon monoxide is a poisonous gas that is
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IMPLICATIONS OF THE ENVIRONMENTAL ISSUES Environment can have a major impact on all areas of the society‚ including Business Organization as well as Personal Life-Styles. Two of the major issues that I want to discuss are Global Warming and Acid Rain. Global Warming is also called the greenhouse effect‚ is believed to be caused by changes in the earth ’s atmosphere as a result of industrial processes. Rising global temperatures are expected to raise sea level‚ and change precipitation and
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affects the world climate. Environmental issues have made a huge impact on Norway. Acid rain is one of the most serious environmental problems that Norway faces. Acid rain is caused by Sulfur Dioxide emissions. The Sulfur Dioxide emissions have decreased incredibly since the 1970’s‚ because of the UNECE Sulfur Protocols. But this has not stopped the horrible after-effects that the acid rain had caused. Much of the lands soil and surface water is extremely susceptible to acidification. This created
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THE STRUCTURE OF SILICON DIOXIDE Silicon Dioxide is commonly found in our daily lives- but what exactly is it? Silicon Dioxide (SiO2)‚ or Silica‚ is the most abundant compound of silicon found in the Earth’s crust‚ as well as a widely found oxide. Formed when silicon is exposed to the oxygen in the atmosphere‚ it is a giant covalent molecule with strong electrostatic forces of attraction between the adjacent non-metal oxygen and silicon atoms. Silicon Dioxide occurs in 13 different structural modifications
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the 2020’s China’s population is going to start to decrease (Doc A). There are going to be less people in China. Since there is going to be less people in China they won’t need as much water (Doc C). Liu says‚ the population controls have kept sulfur dioxide emissions down by 17.6%‚ and reduced water pollution by 30.8% (Doc C). There are so many people in China they need a way to decrease their population. A whole bunch of people in China died. A devastating famine killed an estimated 30 million
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Carbon Dioxide Flash-Freezing Applied to Ice Cream Production by Teresa Susan Baker B.S. Mechanical Engineering B.S. Earth‚ Atmospheric‚ and Planetary Sciences Massachusetts Institute of Technology‚ 2003 SUBMITTED TO THE DEPARTMENT OF MECHANICAL ENGINEERING IN PARTIAL FULLFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE IN MECHANICAL ENGINEERING AT THE MASSACHUSETTS INSTITUTE OF TECHNOLOGY FEBRUARY 2006 © 2006 Massachusetts Institute of Technology. All rights reserved
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plane. If they travel by train or bus‚ they will spend more time on the way. Admittedly‚ with the popularity of cheap air travel‚ more consumption of fuel may lead to pollution of surroundings and degradation of air quality. Pollutants (e.g.‚ sulfur dioxide and nitric oxide) will damage our living circumstance. However‚ any transport tools have fuel consumption. The authorities have taken measures to alleviate this problem. To sum up‚ although there may be some fuel depletion‚ taking the clear
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after hurricanes‚ when lizards and insects are washed across small stretches of water to foreign environments. Sometimes‚ the environment cannot keep up with the new species‚ and degradation can occur. Acid rain is also normally occurs when sulphur dioxide from coal plant emission combines with moisture
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