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المنتدى الأكاديمي للمعلمين ملتقى مهني أكاديمي متخصص للأساتذة الأفاضل في جميع المواد التعليمية (تربية وتعليم & أزهر) |
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أدوات الموضوع | انواع عرض الموضوع |
#11
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6-A serious threat to farmers in many parts of the world is erosion . If a large area of land is cleared of trees and bushes and is then badly treated by the farmer , the rain and winds may gradually wash away much of the fertile top soil
7-Big dams are built across rivers and their tributaries .In the rainy season , there is plenty of water , and the dams store it for use during the the dry months , at the same time , they provide the water dsed for generating electricity |
العلامات المرجعية |
الكلمات الدلالية (Tags) |
مراجعة, موضوع, اجابة, ثالثة, ثانوية, سؤال |
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