major constituent

  • 71ionosphere and magnetosphere — ▪ atmospheric science Introduction       regions of Earth s (Earth) atmosphere in which the number of electrically charged particles ions (ion) and electrons (electron) are large enough to affect the propagation of radio waves (electromagnetic… …

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  • 72Cholesterol — IUPAC name …

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  • 73Soft drink — A glass of cola A soft drink (also called soda, pop, coke,[1] soda pop, fizzy drink, tonic, or carbonated beverage) is a non alcoholic beverage that typically contains water (often, but not always carbonated water), a sweetener, and a …

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  • 74Cephalopod — Cephalopods Temporal range: Devonian – Recent[1] (Stem groups from Cambrian)[2] …

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  • 75Terpene — Many terpenes are derived commercially from conifer resins, such as those made by this pine. Terpenes (  / …

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  • 76Lavender oil — A glass vial of pure essential oil of lavender Lavender oil is an essential oil obtained by distillation from the flower spikes of certain species of lavender. Two forms are distinguished, lavender flower oil, a colorless oil, insoluble in water …

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  • 77Charan Singh — This article is about the Indian Prime Minister. For the fourth satguru of the Radha Soami Satsang Beas, see Charan Singh (guru). Charan Singh चरण सिंह Prime Minister of India In office 28 July 1979 – 14 January 1980 President Neelam Sanjiva …

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  • 78Oak Ridges Moraine — The Oak Ridges Moraine is an ecologically important geological landform in the Mixedwood Plains of south central Ontario, Canada. The moraine covers a geographic area of 1,900 square kilometres (730 sq mi) between Caledon and Rice Lake …

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  • 79Old-time music — Stylistic origins British folk, African music, minstrel, Tin Pan Alley, gospel, Appalachian music Cultural origins English, Scottish, Welsh, Irish African, French, German, Spanish …

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  • 80Nile Delta — Coordinates: 30°54′N 31°7′E / 30.9°N 31.117°E / 30.9; 31.117 …

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