دینا فایل / سرد و قطبي 10 ص
سرد و قطبي 10 ص
سرد و قطبي 10 ص
نام فایل : سرد و قطبي 10 ص فرمت : .doc تعداد صفحه/اسلاید : 10 حجم : 97 کیلوبایت دانشگاه آزاد اسلامي واحد مشهدسرد و قطبيPolar climateاستاد محترم:جناب آقای دکتر وزيندانشجويان:ميترا مصباحفهيمه حسيني فخرفاطمه عليانبهار 13872.IntroductionHumans, unlike other species, consciously manipulate their environment.In the distant past, the struggle against nature was primarily for survival. Protection from natural enemies was probably more important than shelter from the elements.He forced to go where game was to be found. This precluded the use of permanent shelters other natural caves, but did permit the use of fire and development of clothing...