completely stratified system
71Culture of Tonga — Tonga College students performing a Kailao dance The Tongan archipelago has been inhabited for perhaps 3000 years, since settlement in late Lapita times. The culture of its inhabitants has surely changed greatly over this long time period. Before …
72Surplus product — Part of a series on Marxism …
73Egypt, ancient — Introduction civilization in northeastern Africa dating from the 3rd millennium BC. Its many achievements, preserved in its art and monuments, hold a fascination that continues to grow as archaeological finds expose its secrets. This article… …
74Miscegenation — Race Classification Race (classification of humans) Genetics …
75String theory — This article is about the branch of theoretical physics. For other uses, see String theory (disambiguation). String theory …
76Human rights in North Korea — North Korea This article is part of the series: Politics and government of North Korea Constitution Juche …
77inland water ecosystem — ▪ biology Introduction complex of living organisms in free water on continental landmasses. Inland waters represent parts of the biosphere within which marked biological diversity, complex biogeochemical pathways, and an array of… …
78State (polity) — This article is about the general concept of the state. For the subjects of international law, see Sovereign state. For other uses, see State (disambiguation). The frontispiece of Thomas Hobbes Leviathan A state is an organised political… …
79Correlation and dependence — This article is about correlation and dependence in statistical data. For other uses, see correlation (disambiguation). In statistics, dependence refers to any statistical relationship between two random variables or two sets of data. Correlation …
80Danube Sinkhole — Sinkhole in the Danube near Immendingen …
