drinking water protective area
21Perchlorate — Perchlorate …
22JERUSALEM — The entry is arranged according to the following outline: history name protohistory the bronze age david and first temple period second temple period the roman period byzantine jerusalem arab period crusader period mamluk period …
23Wetland — For other uses, see Wetland (disambiguation). The Florida Everglades massive wetland system in the United States saw 1.7 billion gallons of fresh water flushed from it daily and pumped into the ocean following one of the most successive water… …
24Eifel Aqueduct — The Eifel Aqueduct was one of the longest aqueducts of the Roman Empire. It shows the great skill of the Roman engineers, whose level of technical achievement was lost in the Middle Ages and regained only in recent times.The aqueduct, constructed …
25cañada — /keuhn yah deuh, yad euh/, n. Chiefly Western U.S. 1. a dry riverbed. 2. a small, deep canyon. [1840 50; < Sp, equiv. to cañ(a) CANE + ada n. suffix] * * * Canada Introduction Canada Background: A land of vast distances and rich natural resources …
26Canada — /kan euh deuh/, n. a nation in N North America: a member of the Commonwealth of Nations. 29,123,194; 3,690,410 sq. mi. (9,558,160 sq. km). Cap.: Ottawa. * * * Canada Introduction Canada Background: A land of vast distances and rich natural… …
27France — /frans, frahns/; Fr. /frddahonns/, n. 1. Anatole /ann nann tawl /, (Jacques Anatole Thibault), 1844 1924, French novelist and essayist: Nobel prize 1921. 2. a republic in W Europe. 58,470,421; 212,736 sq. mi. (550,985 sq. km). Cap.: Paris. 3.… …
28Arsenic — (pronEng|ˈɑrsənɪk) is a chemical element that has the symbol As and atomic number of 33. Arsenic was first documented by Albertus Magnus in 1250cite book |last=Emsley |first=John |title=Nature s Building Blocks: An A Z Guide to the Elements |year …
29Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
30Cholera — Classification and external resources Scanning electron microscope image of Vibrio cholerae ICD 10 A …
