or it may exist in an alternate form which must be processed to obtain the resource such as metal ores‚ oil‚ and most forms of energy. There is much debate worldwide over natural resource allocations‚ this is partly due to increasing scarcity (depletion of resources) but also because the exportation of natural resources is the basis for many economies (particularly for developed nations such as Australia). Some natural resources such as sunlight and air can be found everywhere‚ and are known as
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smog stratospheric ozone depletion indoor air pollution Causes ____________________________ ____________________________ ____________________________ ____________________________ ____________________________ Consequences ____________________________ ____________________________ ____________________________ ____________________________ ____________________________ Major contributing causes a) SO2 from coal burning b) CFCs from air conditioners
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ENERGY ENERGY UTILISATION EQUIPMENT & SYSTEMS USEFUL ENERGY END USE ACTIVITIES (ENERGY SERVICES) COAL‚ OIL‚ SOLAR‚ GAS POWER PLANT‚ REFINERIES REFINED OIL‚ ELECTRICITY RAILWAYS‚ TRUCKS‚ PIPELINES WHAT CONSUMERS BUY DELIVERED ENERGY AUTOMOBILE‚ LAMP‚ MOTOR‚ STOVE MOTIVE POWER RADIANT ENERGY DISTANCE TRAVELLED‚ ILLUMINATION‚COOKED FOOD etc.. 3 Units Physical Quantities –Coal‚ Oil (Tonnes) Oil- Barrels Natural Gas- m3 often expressed as Nm3 ‚sm3 Electricity kWh ‚ MUs (Million
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112. On June 30‚ 2011‚ Cey‚ Inc. exchanged 2‚000 shares of Seely Corp. $30 par value common stock for a patent owned by Gore Co. The Seely stock was acquired in 2011 at a cost of $55‚000. At the exchange date‚ Seely common stock had a fair value of $46 per share‚ and the patent had a net carrying value of $110‚000 on Gore’s books. Cey should record the patent at a. $55‚000. b. $60‚000. c. $92‚000. d. $110‚000. 113. On May 5‚ 2011‚ MacDougal Corp. exchanged 2‚000 shares of its $25
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new and stronger evidence that most of the warming observed over the last 50 years is attributable to human activities”. These changes have led to the emergence of large-scale environmental hazards to human health‚ such as extreme weather‚ ozone depletion‚ loss of biodiversity‚ stresses to food-producing systems and the global spread of infectious diseases. The Greenhouse Effect The earth’s temperature is a balancing act between the energy entering the earth’s planet system and the energy leaving
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things in our environment‚ but they are for sure there. This could affect our families and our future one day. There are some problems affecting the environmental stability‚ namely- ozone depletion‚ enhanced greenhouse effect‚ global warming‚ and climate change. First‚ what is ozone depletion? Ozone depletion is defined as the thinning of the ozone layer‚ caused by a group of manufactured chemicals called ozone-depleting substances (ODS). Ozone –depleting-substances include chlorofluorocarbons
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Environmental Issues and Awareness Global warming‚ ozone depletion‚ acid rain‚ energy and water deficits are all problems that challenge humanity and its progress. However‚ the aggravation of these problems can be prevented through education‚ awareness and action. Industrial Art is a field of knowledge that encompasses innovations and advancements for technological progress and environmental welfare. Global Warming is a process in which Earth ’s average temperature increases due to the emission
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Climate. Carbon dioxide (CO2) is a greenhouse gas. As we burn fossil fuel (coal‚ oil and natural gas) more and more CO2 is being added to the greenhouse gases in the atmosphere and the earth is getting warmer. "The Carbon Dioxide Greenhouse Effect." The Carbon Dioxide Greenhouse Effect. N.p.‚ n.d. Web. 14 Oct. 2012. . What impact have chlorofluorocarbons (CFC) emissions had on global warming? Global warming and ozone depletion are two separate global problems. Global warming deals with the increasing
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is from non-renewable supplies. Coal‚ oil‚ and natural gas are non-renewable fossil fuels. Because they cannot be renewed fast enough to keep pace with consumption‚ they are considered non-renewable and are the most commonly used type’s energy. Fossil fuels were formed over millions of years when decomposed plant and animal matter were buried by layers and layers of the earths crust and then it was transformed into carbon-rich material that is used as fuel. Coal The most abundant fossil
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today’s world‚ most of us know that it is important to turn off lights and other electrical appliances to conserve energy‚ but not everyone understands that the reason for the emphasis on cutting back on the use of energy is due to the inevitable depletion of our environment’s nonrenewable resources. Of course‚ electric power is not the only factor that has lead to our supply of nonrenewable resources declining in recent decades. The overdependence on natural gas and oil to fuel our cars and to heat
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