amounts to
91global warming — an increase in the earth s average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect. [1975 80] * * * Potential increase in global average surface temperatures resulting from… …
92Milky Way Galaxy — Large spiral galaxy (roughly 150,000 light years in diameter) that contains Earth s solar system. It includes the multitude of stars whose light is seen as the Milky Way, the irregular luminous band that encircles the sky defining the plane of… …
93dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …
94agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
95immune system disorder — Introduction Disorders of the immune systemany of various failures in the body s defense mechanisms against infectious organisms (see table (Disorders of the immune system)). Disorders of immunity include immune deficiency diseases, such… …
96Petroleum — For other uses, see Petroleum (disambiguation). Proven world oil reserves, 2009 …
97Vitamin — This article is about the set of organic compounds. For the nutritional supplement preparation, see multivitamin. For the manga, see Vitamin (manga) …
98DNA vaccination — The making of a DNA vaccine. DNA vaccination is a technique for protecting an organism against disease by injecting it with genetically engineered DNA to produce an immunological response. Nucleic acid vaccines are still experimental, and have… …
99Anorthosite — (pronEng|æˈnɔrθəsaɪt/, /ə ) is a phaneritic, intrusive igneous rock characterized by a predominance of plagioclase feldspar (90–100%), and a minimal mafic component (0–10%). Pyroxene, ilmenite, magnetite, and olivine are the mafic minerals most… …
100New England town — Massachusetts town line sign, indicating the name of the town, the date of its establishment, and the seal of the state. The New England town is the basic unit of local government in each of the six New England states. Without a direct… …
