relief gases
71Réchauffement climatique — Cet article concerne le réchauffement climatique. Pour les variations cycliques de l histoire du climat, voir changement climatique. Différence de température globale moyenne de …
72coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
73ethics — /eth iks/, n.pl. 1. (used with a sing. or pl. v.) a system of moral principles: the ethics of a culture. 2. the rules of conduct recognized in respect to a particular class of human actions or a particular group, culture, etc.: medical ethics;… …
74mercury — /merr kyeuh ree/, n., pl. mercuries. 1. Chem. a heavy, silver white, highly toxic metallic element, the only one that is liquid at room temperature; quicksilver: used in barometers, thermometers, pesticides, pharmaceutical preparations,… …
75Calendar of 2003 — ▪ 2004 January So long as there is a single Brazilian brother or sister going hungry, we have ample reason to be ashamed of ourselves. Lula, in his inaugural address as president of Brazil, January 1 January 1 The Socialist Lula (Luiz… …
76Recreational drug use — is the use of a drug, usually psychoactive, with the intention of creating or enhancing recreational experience. Such use is controversial, however, often being considered to be also drug abuse, and it is often illegal. Also, it may overlap with… …
77Mount Vesuvius — This article is about the mountain/volcano in Italy. For other uses, see Vesuvius (disambiguation). Mount Vesuvius Monte Vesuvio …
78Isobaric counterdiffusion — This article refers to ICD as it relates to tissue diffusion. For other uses of the term ICD, see ICD (disambiguation) Isobaric Counterdiffusion, Inert Gas Counterdiffusion , or ICD is the term used to describe the physiologic effect when the… …
79Changement Climatique Global — Réchauffement climatique  Cet article concerne réchauffement climatique. Pour les variations cycliques de l histoire du climat, voir changement climatique …
80Changement climatique global — Réchauffement climatique  Cet article concerne réchauffement climatique. Pour les variations cycliques de l histoire du climat, voir changement climatique …
