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Potential Disasters
Scientists warn potential disasters threaten the U.S.Are the odds worth the worry? by David Johnson The British government appointed a commission to assess the chances that an…Origin of Prokaryotes and Eukaryotes: Origin of Prokaryotes
Origin of ProkaryotesOrigin of Prokaryotes and EukaryotesIntroductionOrigin of ProkaryotesEukaryote EvolutionProtistsSlime Molds In 1862, Pasteur disproved the spontaneous-generation theory but…100 Milestone Documents from the National Archives
The following is a list of 100 milestone documents, compiled by the National Archives and Records Administration, and drawn primarily from its nationwide holdings. The documents chronicle United…The Largest States in the U.S. by Area
The United States of America is a country of immense geographical diversity, with a landscape that spans from snow-capped mountains to sun-kissed beaches, arid deserts to lush forests. The country's…Idaho
Idaho State Information Capital: Boise Official Name: State of Idaho Organized as a territory/republic: March 3, 1863 Entered Union (rank): July 3, 1890 (43rd state) Present constitution…Montana
Montana State Information Capital: Helena Official Name: Montana Entered Union (rank): November 8th, 1889 (41st state) Present constitution adopted: 1972 State abbreviation/Postal code: Mon/…North America Map: Regions, Geography, Facts & Figures
North America is the world's third largest continent, covering an area of approximately 24.5 million square kilometers. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the east…carbon dioxide
(Encyclopedia) carbon dioxide, chemical compound, CO2, a colorless, odorless, tasteless gas that is about one and one-half times as dense as air under ordinary conditions of temperature and pressure…Lewis & Clark: From Fort Mandan to the Yellowstone
by NoahBrooks Winter among the MandansIn the Haunts of Grizzlies and BuffaloFrom Fort Mandan to the Yellowstone Up to this time, the expedition had passed through regions…volcano
(Encyclopedia) volcano, vents or fissures in the earth's crust through which gases, molten rock, or lava, and solid fragments are discharged. Their study is called volcanology. The term volcano is…Trending
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