petroleum nitrogen bases
71Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr …
72Oil well fire — An oil well on fire in Iraq Oil well fires is the common term for oil or gas wells that have caught on fire and burn. Oil well fires can be the result of human actions, such as accidents or arson, or natural events, such as lightning. They can… …
73Microbial biodegradation — Interest in the microbial biodegradation of pollutants has intensified in recent years as humanity strives to find sustainable ways to clean up contaminated environments.[1][2] These bioremediation and biotransformation methods endeavour to… …
74Hungary — /hung geuh ree/, n. a republic in central Europe. 9,935,774; 35,926 sq. mi. (93,050 sq. km). Cap.: Budapest. Hungarian, Magyarország. * * * Hungary Introduction Hungary Background: Hungary was part of the polyglot Austro Hungarian Empire, which… …
75E number — This article is about the food additive codes. For other uses, see E number (disambiguation). E numbers are number codes for food additives that have been assessed for use within the European Union (the E prefix stands for Europe ).[1] They are… …
76Environmental impact of wind power — Livestock ignore wind turbines,[1] and continue to graze as they did before wind turbines were installed. Compared to the environmental impact of traditional energy sources, the environmental impact of wind power is relatively minor. Wind power… …
77Cerium — lanthanum ← cerium → praseodymium ↑ Ce ↓ Th …
78Methanol fuel — This article is about methanol used as a fuel. For other alcohols used as fuels, see Alcohol fuel. Methanol is an alternative fuel for internal combustion and other engines, either in combination with gasoline or directly ( neat ). It is used in… …
79List of scientists opposing the mainstream scientific assessment of global warming — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries …
80Armenia — /ahr mee nee euh, meen yeuh/; for 3 also Sp. /ahrdd me nyah/, n. 1. an ancient country in W Asia: now divided between Armenia, Turkey, and Iran. 2. Also called, Armenian Republic. a republic in Transcaucasia, S of Georgia and W of Azerbaijan.… …
