Chapter 5 "Energy Resources" Formal Assessment Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. The process of burning a fuel to change chemical energy into thermal energy is called a. heat. b. electricity. c. energy. d. combustion. ____ 2. The three major fossil fuels are coal‚ oil‚ and a. wood. b. natural gas. c. uranium. d. electricity. ____ 3. Fossil fuels are considered nonrenewable resources because they
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Energy use is one of the most important issues in the world today. People are starting to run out of energy already now‚ and in the future more and more energy is likely to be increasingly needed since the world population is growing. Fossil fuels are the main resources for energy at present. According to many predictions‚ we are going to run out of oil in 40 years and coal in 75-150 years. People were using these effective but non-renewable energy sources as much as they wanted for many centuries
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electricity during 2011–12 fiscal. In terms of fuel‚ coal-fired plants account for 57% of India’s installed electricity capacity‚ compared to South Africa’s 92%; China’s 77%; and Australia’s 76%. After coal‚ renewal hydropower accounts for 19%‚ renewable energy for 12% and natural gas for about 9%.[4][5] In December 2011‚ over 300 million Indian citizens had no access to electricity. Over one third of India’s rural population lacked electricity‚ as did 6% of the urban population. Of those who did have access
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shortage due industrial and technological development without having any proper intension for increasing the resource of power. But we have the immense resource to fulfill our power need. As India is subtropical it can get a year around light energy and this energy can be used as power resource for the production of electricity. As it is a non exhaustible resource it can give year around output of power. Our nuclear mission is only to increase export of thorium based nuclear fuel but it should have an
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How to reduce use of Electricity Introduction Electricity is a secondary source of energy. Primary sources of energy are oil‚ coal‚ uranium or the forces of nature. Energy is a source of usable power‚ needed for food production‚ transportation‚ heating‚ cooling‚ and lighting. The largest sources of energy in the world are oil (34%)‚ coal (26.5%)‚ and gas (20.9%)1‚ adding up to over 80% of global energy. These types of fuels are called fossil fuels because they are found in fossil carbon deposits
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internship and Babson courses to search for opportunities and evaluate them. By the final semester he focuses on a solar-powered trash compactor. When he graduates he puts all his efforts into his new venture and soon lands an order from Vail for one of his trash compactors‚ which will be installed in a remote area of the ski resort. Location: Greater Boston Date: 2003-2004 Industry: Solar-powered trash compactors Age of entrepreneur: Late-20s Topics: Entrepreneurship as a career choice‚ finding and
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means such as developing alternative energy which includes renewable and nuclear energy‚ decreasing the carbon intensity of fossil fuel through carbon capture and sequestering‚ reforestation and also simply by conserving energy. Based on the cost-benefit analysis of each methods‚ I believe that the effectiveness and practically of each methods can be ranked‚ in decreasing order‚ as such – (1) Reducing energy use by conservation (2) Developing renewable energy (3) Carbon capture and sequestering (4)
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There is no Hope of Doing Perfect Research (Griffiths‚ 1998‚ p97). In 1998‚ the statement that there is no hope of doing perfect research (Griffiths 97) has encountered a series of arguments over the years. Before going into details on the subject‚ there is the need to understand the phrase. There are three key terms in the phrase: hope‚ perfect‚ research. According to oxford dictionary‚ “hope” is a feeling of anticipation and wish that something happens; “perfect” means having all the required
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animals‚ are responsible 40% and 20% respectively for the world ’s energy. They were first discovered about 700-900 years ago‚ however since the first modern petroleum industry began in 1859‚ the demand for fossil fuels has escalated beyond our control. It had taken 50-300 million years to form‚ and yet we have managed to burn roughly half of all global oil reserves in merely 125 years.� It is crucial to decrease our usage of energy‚ and find alternate sources. � Natural Gas and Petroleum are organic
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UNIT 1 Writing an Expository Essay Part 1 Part 2 Part 3 Essay structure and the introductory paragraph Body paragraphs‚ concluding paragraphs‚ and outlining Improving your work © Cambridge University Press www.cambridge.org P a r t 1 Essay structure and the introductory paragraph Essay structure An essay is a piece of writing made up of a number of paragraphs. Each paragraph has a specific role in an essay. In a five-paragraph essay‚ the first paragraph is an introduction; the
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