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| Description: Complex systems and subsystems: watershed "النظم المعقدة والنظم الفرعية: مستجمعات المياه" Environmental entities are complex systems that interact with each other For example, river systems consist of hundreds of smaller tributary subsystems To solve environmental problems, all appropriate systems must be considered Picture Stats: Views: 253 Filesize: 164.68kB Height: 576 Width: 1327 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=35621 |