Causes of Air Pollution. The combination of external physical conditions that affect and influence the growth and survival of life is the environment. The social and cultural conditions affect the nature of an individual or community. Having good environment condition in which people live and work is important‚ but sometimes the society and people attempt against harm the environment. In fact‚ several main causes of pollution can be attributed to human activity man. For example air pollution
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One advantage of economic globalisation comes from the free trade. “Two nations can benefit from free trade by specializing in producing those products in which they enjoy a comparative advantage” (Case & Fair 2004‚ p.716). A country enjoys a comparative advantage in the manufacturing of a good if the production has a lower opportunity cost than it would have if produced in other country. When specialization takes place in a production‚ the production will become more efficient. It is due to research
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Sarah Westerhaus Westerhaus 1 May 7‚ 2013 Advantages and Disadvantages of Drugs At this exact moment‚ a seventy-four year old United States veteran is suffering from Post-Traumatic Stress Disorder (PTSD) caused by his fight for survival in the Vietnam War. Because of his condition‚ he goes through daily paranoia‚ depressing memories‚ and stress related pain that never seems to dissipate. Even worse‚ there is a distance between him and his family that grows further and further each
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Advantages and Disadvantages of Marketing By Adrian “Marketing” is defined by Wikipedia as “the process by which companies create customer interest in goods or services… through which companies build strong customer relationships and creates value for their customers and for themselves.” Start with a marketing plan – identifying the customer and their needs and wants. Since the essence of business is fulfilling a need it is an important to know which need you are trying to fulfil. Then you need
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Nowadays many people all over the world spent most of their free time watching television; but since its appearance‚ television has brought to man many advantages as well as disadvantages. Television plays an important role in our daily activities: it keeps us informed about all the current affairs in the world. Television helps us in broadening Our knowledge in many ways. Through language teaching programs‚ we can learn the language we like such as: English‚ French‚ German‚ Chinese‚ Japanese
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Advantages and disadvantages of sampling methods Type Description Advantages Disadvantages Stratified This requires one to be bias towards their data. For example‚ if you knew the proportion of pensioners in an area was 30% and you wanted to represent this in your sample you would ensure that pensioners’ answers only made up 30% of your sample. It can be used with random or systematic sampling‚ and with point‚ line or area techniques If the proportions of the sub-sets are known‚ it can generate
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The advantages are limitless. Speedy access to information of any kind‚ relationships with other people around the world‚ and entertainment are all provided by the internet. Likewise‚ the disadvantages are just as large. Jerks (trolls) on the internet bully‚ viruses infect your computer and using the internet takes up valuable time. You decide how you want to use it. ADVANTAGES Communication: The foremost target of internet has always been the communication. And internet has excelled beyond
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We have come to the stage that we can’t live now without science. To realise the importance of science‚ just put off the main switch for some time during the night and see what it looks like. Without light or fan we can’t manage a single minute. Similarly‚ every move of ours made easy with the help of science. As far as die advantage of science‚ one can go 011 write a long list. It need not he elaborated. Any kiddies in the school can quote at least ten numbers of the plus points of it. But
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Life without IT In 21th century‚ people are probably all in Facebook‚ Twitter‚ Weibo‚ etc. Are you spending too much time on your computer? A recent survey shows that about 83% of users said “Yes” and only 17% of users said “No”. Internet influences us so much! But‚ did you ever think that if there haven’t computer any more‚ so what would life be like without the Internet? People may say that:” No‚ it is impossible! Although Steve Jobs died‚ but Apple Company still survives.” So here I want
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Advantage and Disadvantage of Unemployment. To anyone who suffers from unemployment‚ this would be a hard time for them in order to support their living. However‚ an economist is looking at unemployment is a necessity to maintain a balance economy. Therefore there are advantages and disadvantages of unemployment in a country. The disadvantages of unemployment are as clear as water to most people in the society even if they did not study economy. Deprived of a job meaning lacking of income‚ if the
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