man-made injection of pollutants
21automobile — automobilist /aw teuh meuh bee list, moh bi list/, n. /aw teuh meuh beel , aw teuh meuh beel , aw teuh moh beel, beuhl/, n. 1. a passenger vehicle designed for operation on ordinary roads and typically having four wheels and a gasoline or diesel… …
22United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
23Pottery — Pot and Pots redirect here. For Pot, see Pot (disambiguation). For POTS, see POTS (disambiguation). Unfired green ware pottery on a traditional drying rack at Conner Prairie living history museum …
24List of misconceptions about illegal drugs — Many urban legends and misconceptions about classified drugs have been created and circulated among children and the general public, with varying degrees of veracity. These are commonly repeated by organizations which oppose all classified drug… …
25Compressed natural gas — CNG redirects here. For other uses, see CNG (disambiguation). Blue diamond symbol used on CNG powered vehicles in North America …
26March 2011 — was the third month of the current year. It began on a Tuesday and ended after 31 days on a Thursday. International holidays (See Holidays and observances, on sidebar at right, below) Portal:Current events This is an archived version of Wikipedia …
27Malaria — Classification and external resources Ring forms and gametocytes of Plasmodium falciparum in human blood. ICD 10 B …
28Four-stroke engine — Four stroke cycle used in gasoline/petrol engines. The right blue side is the intake and the left yellow side is the exhaust. The cylinder wall is a thin sleeve surrounded by cooling liquid. A video montage of the Otto engines running at the… …
29Urea — Urea …
30Belgium — /bel jeuhm/, n. a kingdom in W Europe, bordering the North Sea, N of France. 10,203,683; 11,779 sq. mi. (30,508 sq. km). Cap.: Brussels. French, Belgique /bel zheek /; Flemish, België /bel khee euh/. * * * Belgium Introduction Belgium Background …
