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spec: This difference of perspective is fundamental , infecting the intuitions with which all theorizing must begin , and it is thus the source of some of the deepest and most persistent disagreements in the field . But as the Universe continued to enlarge , and its density reduced the gravitational effect , the Universe then began to re-accelerate . Rather , they are relationships held together because each individual regards the other as the source of some advantage to himself or some pleasure he receives . Philip is registered as a part time doctoral student in The Department of Hospitality and Tourism Management . The basement is not a part of the house often frequented but it can be the source of some of the most polluted air in the home . The success of an IRB is ultimately determined by the ethical and safe treatment of research participants . Brenner , who is a Vietnam veteran and currently a member of the Army Criminal Investigation Division , is asked to return to Vietnam to investigate a murder that took place during the war 30 years before . A Whole Lot of ColorsThe original Colortron instrument included an internal battery , making it portable ( this battery was also the source of some of its chronic problems and was removed from the instrument as a result ) . Though this approach is a small part of the overall picture , it is potentially a crucial enabler of semantic interoperability . Comments requested the shorter minimum prior notice time because the source of some food products often is close to the U.S. border , and some products are perishable .