sulfur guard bed

  • 21Harrisburg, Illinois — For other uses, see Harrisburg (disambiguation). Harrisburg   City   City of Harrisburg …

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  • 22Denmark — <p></p> <p></p> Introduction ::Denmark <p></p> Background: <p></p> Once the seat of Viking raiders and later a major north European power, Denmark has evolved into a modern, prosperous nation that… …

    The World Factbook

  • 23France — <p></p> <p></p> Introduction ::France <p></p> Background: <p></p> France today is one of the most modern countries in the world and is a leader among European nations. It plays an influential global …

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  • 24Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… …

    Universalium

  • 25National Register of Historic Places listings on the island of Hawaii — Location of the island of Hawaii Map …

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  • 26Afghanistan — Islamic Republic of Afghanistan جمهوری اسلامی افغانستان Jomhūrī ye Eslāmī ye Afġānistān (Persian) د افغانستان اسلامي جمهوریت Da Afġānistān Islāmī Jomhoriyat …

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  • 27Bangkok — Infobox Settlement name = Bangkok official name = Krung Thep Maha Nakhon native name = กรุงเทพมหานคร nickname = motto = image size = 800 × 533 pixels image caption = Bangkok flag size = image seal size = mapsize = 178px map caption = Location… …

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  • 28The Best American Poetry — series consists of annual poetry anthologies, each containing seventy five poems.The series, begun by poet and editor David Lehman in 1988, has a different guest editor every year. Lehman, still the general editor of the series, each year… …

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  • 29Nuclear power debate — For nuclear energy policies by nation, see Nuclear energy policy. For public protests about nuclear power, see Anti nuclear movement. Three of the reactors at Fukushima I overheated, causing meltdowns that eventually led to hydrogen explosions,… …

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  • 30Croatia — <p></p> <p></p> Introduction ::Croatia <p></p> Background: <p></p> The lands that today comprise Croatia were part of the Austro Hungarian Empire until the close of World War I. In 1918, the Croats …

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