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  • 61environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …

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  • 62rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …

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  • 63Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …

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  • 64painting, Western — ▪ art Introduction       history of Western painting from its beginnings in prehistoric times to the present.       Painting, the execution of forms and shapes on a surface by means of pigment (but see also drawing for discussion of depictions in …

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  • 65Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …

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  • 66Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …

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  • 67Conversion of units — is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Contents 1 Techniques 1.1 Process 1.2 Multiplication factors …

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  • 68Hydronics — is the name for the use of water as the heat transfer medium in heating and cooling systems. Some of the oldest and most common examples are steam and hot water radiators. In large scale commercial buildings such as high rise and campus… …

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  • 69Spider-Man's powers and equipment — The fateful spider bite that gave Peter Parker his powers. Amazing Fantasy #15, art by Steve Ditko. Spider Man s powers, abilities, and equipment are used by Marvel Comics superhero Spider Man in tandem to combat his many foes. He receives most… …

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  • 70dance — dancingly, adv. /dans, dahns/, v., danced, dancing, n. v.i. 1. to move one s feet or body, or both, rhythmically in a pattern of steps, esp. to the accompaniment of music. 2. to leap, skip, etc., as from excitement or emotion; move nimbly or… …

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