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11Oil well — The pumpjack, such as this one located south of Midland, Texas, is a common sight in West Texas. An oil well is a general term for any boring through the earth s surface that is designed to find and acquire petroleum oil hydrocarbons. Usually… …
12Vitamin C — This article is about ascorbic acid as a nutrient; for its chemical properties, see the article ascorbic acid; for other uses, see the disambiguation page. Vitamin C …
13Atrial fibrillation — | MeshID = D001281 Atrial fibrillation (AF or afib) is a cardiac arrhythmia (abnormal heart rhythm) that involves the two upper chambers (atria) of the heart. It can often be identified by taking a pulse and observing that the heartbeats don t… …
14Rio Tinto Group — Rio Tinto Limited plc Type Public company (ASX: RIO, LSE:  …
15Concord High School (Santa Monica, California) — Concord International High School Established 1973 Type Independent Head of School N.N. President Richard Corlin, MD Faculty 0 …
16Hebalpe — Wald und Weide prägen das Hebalmgebiet im Sommer. Auf der Hebalm liegen einige Seen …
17Equestrian Sports — ▪ 2009 Introduction Thoroughbred Racing. United States. A seemingly invincible three year old colt named Big Brown took American Thoroughbred racing by storm during the 2008 spring classic season. In the 134th Kentucky Derby on May 3, Big… …
18Lesbian — This article is about the sexual orientation. For other uses, see Lesbian (disambiguation) …
19History of cricket — The game of cricket has a known history spanning from the 16th century to the present day, with international matches played since 1844, although the official history of international Test cricket began in 1877. During this time, the game… …
20football — /foot bawl /, n. 1. a game in which two opposing teams of 11 players each defend goals at opposite ends of a field having goal posts at each end, with points being scored chiefly by carrying the ball across the opponent s goal line and by place… …
