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31Iridium — (pronEng|ɪˈrɪdiəm) is a chemical element that has the symbol Ir and atomic number 77. A very hard, brittle, silvery white transition metal of the platinum family, iridium is the second densest element and is the most corrosion resistant metal,… …
32Christopher Andronicos — Christopher L. Andronicos (b. December 1968 in Albuquerque, New Mexico, USA) is an American geologist, Associate Professor of Geology at Cornell University. Contents 1 Early life 2 Research Papers by Chris Andronicos 3 References …
33Climate change, industry and society — See also: Avoiding dangerous climate change and Effects of climate change on humans This article is about climate change, industry and society. Contents 1 Vulnerability 1.1 General effects 1.2 Human settlement …
34Cryosphere — Overview of the Cryosphere and its larger components, from the UN Environment Programme Global Outlook for Ice and Snow. The cryosphere (from the Greek κρύος cryos cold , frost or ice ) is the term which collectively describes the portions of the …
35Moon rock — Olivine basalt collected by Apollo 15. Moon rock describes rock that formed on the Earth s moon. The term is also loosely applied to other lunar materials collected during the course of human exploration of the Moon. The rocks collect …
36Cheese — For other uses, see Cheese (disambiguation). A platter with cheese and garnishes …
37List of McDonald's products — This article is about products offered in American McDonald s locations. For products offered in international McDonald s locations, see International availability of McDonald s products. McDonald s Type Public …
38Climate change in the Arctic — Very substantial decrease in Arctic Sea ice in 2007 from 2005 and also from 1979–2000 average …
39Martian Gullies — First discovered on images from Mars Global Surveyor, Martian gullies may be the site of recent liquid water. Gullies occur on steep slopes, especially on the walls of craters. Gullies are believed to be relatively young because they have few, if …
40Thunderstorm — Electrical storm redirects here. For other uses, see Electrical storm (disambiguation). A typical thunderstorm A thunderstorm, also known as an electrical storm, a lightning storm, thundershower or simply a storm is a form of weather… …
