الاثنين، 10 ديسمبر 2012

كتابة مقالة تعبير اللغة الانجليزية نواع التلوث الهواء النيتروجيد الضوء النفاياث الضجيج التربة الأسمدة البصر الماء تعليم


في هذا الفيديو سوف نتعلم طريقة سهلة لكتابة مقالات في اللغة الانجليزية عن نواع التلوث الهواء النيتروجيد الضوء النفاياث الضجيج التربة الأسمدة البصر الماء , سوف تتعلم أهم تقنيات كتابة موضوع تعبير كمشروع مدرسي بطريقة ذكية, هناك سوف نعلمك منهجية كتابة المقدمة والعرض والخاتمة لموضوع essay في اللغة الانجليزية للتويفل والحصول على درجة عالية في المدرسة, كما ستتعلم كيف تتجاوز الأخطاء عند كتابة مقالة في اللغة الانجليزية بسهولة تامة, أهم الكلمات والمفردات والتعابير التي تحتاجها لكتابة مقالة في اللغة الانجليزية عن نواع التلوث الهواء النيتروجيد الضوء النفاياث الضجيج التربة الأسمدة البصر الماء, أهم تقنيات ووسائل ومناهج الكتابة في الانجليزية للمبتدئين. Learn English online with the help of this free website from the British Council with games, stories, listening activities and grammar exercises. Learn English offers English grammar and extensive British English vocabulary sections along with a free English magazine and diary, games, lessons and tests Improve your English grammar, speaking, listening, reading, and vocabulary. Free resources to help you learn English, including phrase guide and vocabulary lists with sound, forums, and shop The major forms of pollution are listed below along with the particular contaminant relevant to each of them: Air pollution:- the release of chemicals and particulates into the atmosphere. Common gaseous pollutants include carbon monoxide, sulfur dioxide, chlorofluorocarbons (CFCs) and nitrogen oxides produced by industry and motor vehicles. Photochemical ozone and smog are created as nitrogen oxides and hydrocarbons react to sunlight. Particulate matter, or fine dust is characterized by their micrometre size PM10 to PM2.5. Light pollution:- includes light trespass, over-illumination and astronomical interference. Littering:- the criminal throwing of inappropriate man-made objects, unremoved, onto public and private properties. Noise pollution:- which encompasses roadway noise, aircraft noise, industrial noise as well as high-intensity sonar. Soil contamination occurs when chemicals are released by spill or underground leakage. Among the most significant soil contaminants are hydrocarbons, heavy metals, MTBE,[10] herbicides, pesticides and chlorinated hydrocarbons. Radioactive contamination, resulting from 20th century activities in atomic physics, such as nuclear power generation and nuclear weapons research, manufacture and deployment. (See alpha emitters and actinides in the environment.) Thermal pollution, is a temperature change in natural water bodies caused by human influence, such as use of water as coolant in a power plant. Visual pollution, which can refer to the presence of overhead power lines, motorway billboards, scarred landforms (as from strip mining), open storage of trash, municipal solid waste or space debris. Water pollution, by the discharge of wastewater from commercial and industrial waste (intentionally or through spills) into surface waters; discharges of untreated domestic sewage, and chemical contaminants, such as chlorine, from treated sewage; release of waste and contaminants into surface runoff flowing to surface waters (including urban runoff and agricultural runoff, which may contain chemical fertilizers and pesticides); waste disposal and leaching into groundwater; eutrophication and littering.

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