The free encyclopedia from Questia includes more than 52,000 entries from the Columbia Encyclopedia (Sixth Edition.) There are also loads of supplemental goodies in the reference library, such as.
The free encyclopedia anyone can edit is celebrating its tenth anniversary in 2011. Events and online activities have been organized to commemorate the day, and all year long. Celebrate Find an event below: Organize Add your event: Share What does the anniversary mean to you? Design Free anniversary designs to use and remix: We've celebrated the anniversary all over the globe. Want to join.
Wikipedia is a free site where anybody can start or change a page. It is a global site that is available in many languages. While people can use any searching engine, the Wikipedia page will come out in the first results of many searches. To use Wikipedia better, people should understand the basic function on the page. The page is organized while they are looking up the page. As Wikipedia.
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Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
Encyclopedia.com (also known as HighBeam Encyclopedia) is an online encyclopedia.It aggregates information from other published dictionaries, encyclopedias and reference works including pictures and videos. The website is operated by Chicago based company Highbeam Research, a subsidiary of reference publisher Gale, which in itself a subsidiary of Cengage.
Sodium hydroxide - Wikipedia, the free encyclopedia Sodium hydroxide (NaOH), also known as lye and caustic soda, is a caustic metallic base. It is used in many industries, mostly as a strong chemical base in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents and as a drain cleaner.