fixed ash
61Islāmic world — Introduction prehistory and history of the Islamic community. Adherence to Islām is a global phenomenon: Muslims predominate in some 30 to 40 countries, from the Atlantic to the Pacific and along a belt that stretches across northern… …
62Minoan eruption — Satellite image of Thera, November 21, 2000 Volcano Thera Date 2nd millennium BCE Type …
63Industrial history of the People's Republic of China — Main articles: Economy and economic history of the People s Republic of China. China s industrial sector has shown great progress since 1949, but in the late 1980s it remained undeveloped in many respects. Although the country manufactured… …
64environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
65List of holidays by country — Contents 1 Afghanistan 2 Albania 3 Algeria 4 Andorra …
66Saint Patrick — For other uses, see Saint Patrick (disambiguation). Saint Patrick Honored in Roman Catholic Church Eastern Orthodoxy Anglican Communion Lutheran Church Major …
67Libya — /lib ee euh/, n. 1. Anc. Geog. the part of N Africa W of Egypt. 2. Italian, Libia. a republic in N Africa between Tunisia and Egypt: formerly a monarchy 1951 69. 5,648,359; 679,400 sq. mi. (1,759,646 sq. km). Cap.: Tripoli. * * * Libya… …
68oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
69Coal — Sedimentary Rock Anthracite coal Composition Primary carbon Secondary hydrogen, sulfur …
70Moveable feast — This article is about Christian holy days. For the book by Ernest Hemingway, see A Moveable Feast. In Christianity, a moveable feast or movable feast is a holy day – a feast day or a fast day – whose date is not fixed to a particular day of the… …
