Metamorphism is a __________________ that involves no melt phase. 2. The protolith of a metamorphic rock is the (a) sibling (b) brother (c) parent (d) daughter (e) none of the above 3. Fabric refers to the way ____________ in a rock are arranged. 4. Foliation is defined by the _______________arrangement of minerals. 5.
Acamprosate has been used in Europe for the treatment of alcohol dependency since 1989. In 2004 it became the third drug to receive approval from the U.S. Food and Drug Administration for this indication, following disulfiram (Antabuse) and naltrexone (ReVia).
Phencyclidine (a complex clip of the chemical name 1-(1-phenyl cyclohexyl)piperidine), commonly initialized as PCP and known colloquially as Angel Dust, pharmaceutically as Sernyl, and by many other names, is a dissociative drug.ince this time a number of synthetic derivatives of PCP have been sold as dissociative drugs for recreational and non-medical use. In chemical structure, PCP is a member of the arylcyclohexylamine class, and, in pharmacology, it is a member of the family of dissociative anesthetics.