charcoal test
21nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …
22japan — japanner, n. /jeuh pan /, n., adj., v., japanned, japanning. n. 1. any of various hard, durable, black varnishes, originally from Japan, for coating wood, metal, or other surfaces. 2. work varnished and figured in the Japanese manner. 3. Japans,… …
23Japan — /jeuh pan /, n. 1. a constitutional monarchy on a chain of islands off the E coast of Asia: main islands, Hokkaido, Honshu, Kyushu, and Shikoku. 125,716,637; 141,529 sq. mi. (366,560 sq. km). Cap.: Tokyo. Japanese, Nihon, Nippon. 2. Sea of, the… …
24Wildfire — This article is about uncontrolled outdoor fire. For the New York rock band, see Forest Fire (band). For other uses, see Wildfire (disambiguation). Crown Fire redirects here. For the 2010 wildfire in Southern California, see 2010 California… …
25Portable water purification — devices – also known as point of use (POU) water treatment systems and field water disinfection techniques – are self contained units that can be used by recreational enthusiasts, military personnel, survivalists, and others who must… …
26technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
27Mercury Capri — 1971 Mercury Capri Manufacturer Ford Motor Company Production 1970–1977 1979–1986 1991–1994 …
28Big Eddy Site — The Big Eddy Site (23CE426) is an archaeological site located in the southwestern portion of the U.S. state of Missouri, which was first excavated in 1997 and is now threatened due to erosion from the Sac River. Location and General… …
29Vitamin B12 — Systematic (IUPAC) name α (5,6 dimethylbenzimidazolyl)coba …
30PlayStation 3 — PS3 redirects here. For other uses, see PS3 (disambiguation). PlayStation 3 …
