immediate threat to human health. [1] In this article we explore contamination from this particular strain of E. coli bacteria (O157:H7) and enteric viruses‚ their potential threats and how to test the water for such contamination. Bacterial Contamination Bacterial contamination of water is usually in the form of coliform bacteria. Coliform bacteria live in soil/vegetation and in the gastrointestinal tract of animals and humans. They thrive in warm‚ wet and dark places.
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Effects of Rapid Population Growth While population growth is at times a beneficial thing for a species‚ there are many factors that define when growth becomes detrimental. When population growth becomes "rapid" there is a great chance that the counter-productive level has been reached. The most accurate index is the balance between population and sustainability. 1. Rapid Growth o Rapid growth is a quick increase in population. The number concerned when calculating the population is the number
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The Effect of Education on Economic Growth Abstract Education is one of the primary factors of development. Countries can’t achieve economic development without investment in human capital. Vocational training and higher education equip a worker to perform certain jobs or functions .It improves the quality of their lives and leads to social benefits to individuals and society like improving income distribution. Education increase people’s productivity and creativity
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LABORATORY EXERCISE 8-A: Preparation of Bacterial Smear and Simple Staining I. INTRODUCTION Bacterial smears are prepared for the purpose of viewing microorganisms under the microscope. Visualization of microorganisms in the living state is very difficult‚ not just because they are minute‚ but because they are transparent and almost colorless when suspended in an aqueous medium. A bacterial smear is a dried preparation of bacterial cells on a glass slide. Smears may be made from a dry culture
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Effects of Population Growth on Environment This is not the latest jackpot prize‚ but 6.5 billion is a very formidable number. It [It must refer to a specific word in the sentence or the reader can become confused.] is the population of the earth. The human population has been increasing at an accelerated rate in the last century; unfortunately‚ not much has been done to slow down this process. Undoubtedly overpopulation is a global issue. It [It must refer to a specific word in the sentence
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population growth = accelerated degradation of natural resources = agricultural stagnation. -90% of households in Sub-Saharan Africa use wood-fuel as the staple source of energy. -Slow economic growth will impede the switch to non-wood fuels. -Hence the demand for wood-fuel would increase with population growth -Has important negative effects on rural women‚ health‚ nutritional patterns and soil conservation -Loss of animal and plant species due to shrinking forests Population growth and education
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Discuss the causes and effects of Economic Growth Economic Growth Before discussing the causes and effects of economic growth‚ I will define what economic growth actually is and distinguish between the two types of growth in the economy; actual and potential. On the whole‚ economic growth may be defined as ‘a long-run increase in an economy’s productive capacity and trend output’. The long-run output growth trend an economy achieves is indicated by the path of trend Gross Domestic Profit
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Economic growth The effect of corruption on economic growth has been extensively researched in the last two decades. While not denying that corruption may have played a positive role at particular times in specific countries‚ it leads to lower growth‚ hampering both private and productive government spending in investments and inhibiting the efficiency of public services. Corruption can also affect the growth rate through distortions in tax collection‚ the level of public expenditure and the composition
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“Discuss the Causes and Effects of Economic Growth” Economic Growth is where goods and services maximise in value over a period of time. This is measured by Real Gross Domestic Product (GDP) which is defined as “The total market value of all final goods and services produced in a country….equal to the total consumer‚ investment‚ and government spending‚ plus the value of exports minus the value of imports.”(www.Investorwords.com) In turn this is measured by the level of aggregate demand in the
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2012-2013 Winter Break Homework Packet Prince George’s County Public Schools Reading/English Language Arts Grade 9 1 GRADE 9 WINTER BREAK READING HOMEWORK PACKET In Preparation for the Maryland High School Assessment‚ PSAT‚ and SAT DIRECTIONS: The enclosed activities are to be completed by your child during the Winter Break and he/she is encouraged to return it to his/her Reading/English Language Arts teacher upon return to school. Parents are encouraged to assist in the following ways:
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