action cumulative
31Hybrid electric vehicle — The Toyota Prius is the world s top selling hybrid car, with cumulative global sales of 2.36 million units by August 2011.[1] A hybrid electric vehicle (HEV) is a type of hybrid vehicle and electric vehicle which combines a conventional internal …
32BMX racing — is a type of off road bicycle racing. The format of BMX was derived from motocross racing. BMX bicycle races are sprint races on purpose built off road single lap race tracks. The track usually consists of a starting gate for up to eight racers,… …
33B. F. Skinner — Burrhus Frederic Skinner Born March 20, 1904(1904 03 20) Susquehanna, Pennsyl …
34Greenhouse gas — Simple diagram of greenhouse effect. A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect.[1] …
35Kyoto Protocol — Participation in the Kyoto Protocol, as of December 2010, Green = Countries that have signed and ratified the treaty              (Annex I II countries in dark green) Grey =… …
36stock — The goods and wares of a merchant or tradesman, kept for sale and traffic. In a larger sense, the capital of a merchant or other person, including his merchandise, money, and credits, or, in other words, the entire property employed in business.… …
37Discrete choice — In economics, discrete choice problems involve choices between two or more discrete alternatives, such as entering or not entering the labor market, or choosing between modes of transport. Such choices contrast with standard consumption models in …
38List of Maryland Terrapins quarterbacks — This is a list of the individuals who have played college football as a quarterback at the University of Maryland. The Maryland Terrapins have produced several prominent quarterbacks. Starting with three consecutive Atlantic Coast Conference… …
39United States public debt — Part of a series of articles on Unit …
40Billboard 200 — The Billboard 200 is a ranking of the 200 highest selling music albums and EPs in the United States, published weekly by Billboard magazine. It is frequently used to convey the popularity of an artist or groups of artists. Often, a recording act… …
