natural stratification

См. также в других словарях:

• Stratification (mathematics) — Stratification has several usages in mathematics. In mathematical logic In mathematical logic, stratification is any consistent assignment of numbers to predicate symbols guaranteeing that a unique formal interpretationof a logical theory exists …   Wikipedia

• Stratification (botany) — In horticulture, stratification is the process of pretreating seeds to simulate natural conditions that a seed must endure before germination. Many seed species have what is called an embryonic dormancy and generally speaking will not sprout… …   Wikipedia

• Indian natural history — Natural history in India has a long heritage with a recorded history going back to the Vedas. This article explores the history and people involved in this endeavour, with natural history being restricted to the broad fields of paleontology,… …   Wikipedia

• Social stratification — Sociology …   Wikipedia

• Social and economic stratification in Appalachia — The Appalachian region of the Eastern United States is home to over 20 million people and covers parts of mostly mountainous areas of 13 states, including Mississippi, Alabama, Pennsylvania, New York, Georgia, South Carolina, North Carolina,… …   Wikipedia

• The Descent of Man, and Selection in Relation to Sex —   …   Wikipedia

• Botn (Sør-Trøndelag) — infobox lake lake name = Botn location = Rissa (Sør Trøndelag) basin countries= Norway inflow = outflow = area = 5.52 km² elevation = 2 m residence time = shore = 13.11 km depth = 21 m max depth = 45 m volume = 112 milo m³ coords =… …   Wikipedia

• Orbifold — This terminology should not be blamed on me. It was obtained by a democratic process in my course of 1976 77. An orbifold is something with many folds; unfortunately, the word “manifold” already has a different definition. I tried “foldamani”,… …   Wikipedia

• Progressive tax — A progressive tax is a tax imposed so that the tax rate increases as the amount subject to taxation increases. [ [http://www.merriam webster.com/dictionary/Progressive Webster] (4b): increasing in rate as the base increases (a progressive tax)] [ …   Wikipedia

• bed — bedless, adj. bedlike, adj. /bed/, n., v., bedded, bedding. n. 1. a piece of furniture upon which or within which a person sleeps, rests, or stays when not well. 2. the mattress and bedclothes together with the bedstead of a bed. 3. the bedstead… …   Universalium

• sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium