a scientific magazine of the National Autonomous University of Mexico, and “they are even more so when we think about... the hundreds of thousands of plants and animals that have disappeared from our increasingly arid planet. ” Exercise for CFS Sufferers
مئات آلاف النباتات والحيوانات التي تختفي عن وجه الارض بسبب ازدياد الجفاف » .‏