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انجليزي جديد
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تعابير الوحدة الخامسة
اريد تعبير عن بعض الوحدات للصف الثالث متوسط مثل وحدة التلوث وزيارة الاماكن وتعابير اخرى اذا موجود
والله يعطيكم العافيه
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انجليزي جديد
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رد: تكفوووون ارجو مساعدتي
انا بعد ابي تعبير الوحدة السادسة الحواس الخمس
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رد: تكفوووون ارجو مساعدتي
هذا عن التلوث
Land Pollution
Land pollution is the degradation of the Earth's land surface through misuse of the soil by poor agricultural practices, mineral exploitation, industrial waste dumping, and indiscriminate disposal of urban wastes. It includes visible waste and litter as well as pollution of the soil itself.
Examples of Land Pollution
Soil Pollution
Soil pollution is mainly due to chemicals in herbicides (weed killers) and pesticides (poisons which kill insects and other invertebrate pests). Litter is waste material dumped in public places such as streets, parks, picnic areas, at bus stops and near shops.
Waste Disposal
The accumulation of waste threatens the health of people in residential areas. Waste decays, encourages household pests and turns urban areas into unsightly, dirty and unhealthy places to live in.
Water Pollution
Water pollution is the introduction into fresh or ocean waters of chemical, physical, or biological material that degrades the quality of the water and affects the organisms living in it. This process ranges from simple addition of dissolved or suspended solids to discharge of the most insidious and persistent toxic pollutants (such as pesticides, heavy metals, and nondegradable, bioaccumulative, chemical compounds).
Examples of Water Pollution
Industrial affluents
Water is discharged from after having been used in production processes. This waste water may contain acids, alkalis, salts, poisons, oils and in some cases harmful bacteria.
Mining and Agricultural Wastes
Mines, especially gold and coal mines, are responsible for large quatities of acid water. Agricultural pesticides, fertilisers and herbicides may wash into rivers and stagnant water bodies.
Sewage Disposal and Domestic Wastes
Sewage as wel as domestic and farm wastes were often allowed to pollute rivers and dams.
Air Pollution
Air pollution is the accumulation in the atmosphere of substances that, in sufficient concentrations, endanger human health or produce other measured effects on living matter and other materials. Among the major sources of pollution are power and heat generation, the burning of solid wastes, industrial processes, and, especially, transportation. The six major types of pollutants are carbon monoxide, hydrocarbons, nitrogen oxides, particulates, sulfur dioxide, and photochemical oxidants.
Examples of Air Pollution
Noise Pollution
Noise pollution or unwanted sounds that are carried by the air, have an irritating and detrimental effect on humans and other animals. Careful planning of streets and biuldings in towns and better control over noisy vechiles may add to the control of noise pollution.
Tobacco Smoke
Tobacco smoke is one of the major forms of pollution in buildings. It is not only the smoker who is infected, but everyone who inhales the polluted air. There is a very strong connection between smoking and lung cancer. Bronchitis is common among smokers and unborn babies of mothers who smoke also suffer from the harmful effects of smoking.
Exhaust Gases of Vehicles
Pollution from exhaust gases of vehicles is reponsible for 60% of all air pollution and in cities up to 80%. There is a large variety of harmful chemicals present in these gases, with lead being one of the most dangerous.
Combustion of Coal
The combustion of caol without special precautions can have serious consequences. If winds do not blow away the poisonous gases, they can have fatal effects and may lead to death.
Acid rain
Acid rain is the term for pollution caused when sulfur and nitrogen dioxides combine with atmospheric moisture to produce highly acidic rain, snow, hail, or fog. The acid eats into the stone, brick and metal articles and pollutes water sources. Coal in South Africa is rich in sulphur and the power stations in the Mpumalanga Province could be reponsible for acid rain over other areas of our country.
اني سارحل في قطار الليل
لاتبكي لاجلي
لاتلومي الحظ يوما ان ان غدر
فانا وحيد
فانا وحيد في ليالي البرد
حتي الحزن صادقني زمانا
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رد: تكفوووون ارجو مساعدتي
شوف هذا وصف الربيع عن طريق الحواس الخمس
Spring is the best time of the year because, I could feel the warmth of the sun, smell the fresh air, see the green grass and flowers, taste the delicious foods that my parents make for me, and hear the rain and stuff like that. That's the best answer I could write.
اني سارحل في قطار الليل
لاتبكي لاجلي
لاتلومي الحظ يوما ان ان غدر
فانا وحيد
فانا وحيد في ليالي البرد
حتي الحزن صادقني زمانا
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انجليزي جديد
- معدل تقييم المستوى
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رد: تكفوووون ارجو مساعدتي
ثانكس والله لايحرمكم الجنة
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رد: تكفوووون ارجو مساعدتي
الله يسعدكم محتاجة تعبير عن شخصية مشهور ليونت 6 بأسرع وقت
غير شخصية الشيخ عبد العزيز بن باز
ضوابط المشاركة
- لا تستطيع إضافة مواضيع جديدة
- لا تستطيع الرد على المواضيع
- لا تستطيع إرفاق ملفات
- لا تستطيع تعديل مشاركاتك
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قوانين المنتدى
المفضلات