the temperature-pressure relation
21Antiquity of the World — Antiquity of the World † Catholic Encyclopedia ► Antiquity of the World Various attempts have been made to establish the age of the world. Two groups of scientists have especially busied themselves with this question: physicists and… …
22Metrication in the United States — U.S. shampoo label, with round metric quantity taking secondary status next to non integer U.S …
23Ionians (The) — The Ionians Malcolm Schofield THALES AND OTHERS The Greeks agreed that philosophy had begun with Thales. However they did not know much about his views.1 What survives is mostly a potent legend. Herodotus tells stories of his practical ingenuity …
24Geology of the Pacific Northwest — The geology of the Pacific Northwest refers to the study of the composition (including rock, minerals, and soils), structure, physical properties and the processes that shape the Pacific Northwest region of the United States and Canada. The… …
25Steppe, the — ▪ geographical area, Eurasia Introduction belt of grassland that extends some 5,000 miles (8,000 kilometres) from Hungary in the west through Ukraine and Central Asia to Manchuria in the east. Mountain ranges interrupt the steppe, dividing it… …
26List of gravitationally rounded objects of the Solar System — Objects in the Solar System By orbit By size By discovery date …
27Craters of the Moon (geothermal site) — For other uses, see Craters of the Moon (disambiguation). Coordinates: 38°38.8′S 176°4.1′E / 38.6467°S 176.0683°E / 38.6467; 176.0683 …
28Climate change in the United States — There is an international interest in issues surrounding global warming in the United States due to the U.S. position in world affairs and the U.S. s high level of greenhouse gas emissions per capita. Contents 1 Greenhouse gas emissions by the… …
29Beijing 2008 Olympic Games: Mount Olympus Meets the Middle Kingdom — Introduction officially Games of the XXIX Olympiad The Games of the XXIX Olympiad, involving some 200 Olympic committees and as many as 13,000 accredited athletes competing in 28 different sports, were auspiciously scheduled to begin at 8 …
30History of the petroleum industry in Canada (natural gas) — Natural gas has been used almost as long as crude oil in Canada, but its commercial development was not as rapid. This is because of special properties of this energy commodity: it is a gas, and it frequently contains impurities. The technical… …
