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Evolution is the change in the heritable characteristics of biological populations over successive generations. [1] [2] It occurs when evolutionary processes such as natural selection and genetic drift act on genetic variation, resulting in certain characteristics becoming more or less common within a population over successive generations. [3]
Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...
In China: June 2007 – present. In Pakistan: January 2008 – present. Number built. 170 (production aircraft) The CAC/PAC JF-17 Thunder ( Urdu: جے ایف-17 گرج ), or FC-1 Xiaolong ( Chinese: 枭龙; pinyin: Xiāo Lóng; lit. 'Fierce Dragon'), is a lightweight, single-engine, multirole combat aircraft developed jointly by the Pakistan ...
1991–2015 [ 1] Number built. 279 [ 1] Developed from. McDonnell Douglas YC-15. The McDonnell Douglas / Boeing C-17 Globemaster III is a large military transport aircraft that was developed for the United States Air Force (USAF) from the 1980s to the early 1990s by McDonnell Douglas. The C-17 carries forward the name of two previous piston ...