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spec: The occurrence of gingival recession is a precursor to the loss of cementum , the exposure of dentin , and the subsequent development of hypersensitivity ( Figure 5 ) . This course will review some of the main recent contributions to the comparative study of capitalism as a socio-economic system , looking at differences in the social organization , the institutional embeddedness and the governance of capitalist economies in different societies , and at their effects on economic performance in a competitive world market . After being transplanted from a vibrant city life to the isolation of a small town , NPR listener and USA Weekend reader Ruth Kamps found solace in nature and inspiration in the pine tree growing outside her kitchen window . Environmental covariates ( e.g . Ko 's family paid his . It is highly improbable that the nature of cognitive activity that designs material artifacts is fundamentally different from that which devises an economic recovery plan , a novel proof of a mathematical theorem , a new drug with certain desired properties , or a new undergraduate engineering curriculum . Poorly-maintained vehicles leak these fluids onto every roadway they travel . I have two brothers , one is currently serving a non-parole life sentence at Eddyville for the murder of a teenage boy in 1994 . It is shown that tracking of the orbit of S1 or any other fast moving star near Sgr A ^ * offers a possibility of distinguishing between the supermassive black hole and extended object scenarios of Sgr A ^ * . Yet the examples of " emergent phenomena " that Davies offers are either irrelevant - - the " wetness " of water , and the arrow of time ( his illustration of the latter is molecules of perfume diffusing in a closed room ) - - or beg the question .