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spec: Individuals or couples who have excess embryos no longer desired for assisted reproduction have a strong interest in controlling the fate of those embryos . Subseries II-B contains business correspondence documenting W. H. Nelson 's activities as a military soldier and farmer in Carter County , Tennessee between 1863 and 1935 . At present there are more than 40,000 tractors . He has conducted more than thirty research cruises in all parts of the world including the Arctic and Antarctic . Information on flock sizes and structure , fertility and lambing , selection of animals for breeding , milk yields , lamb and ewe mortality , occuring diseases , kinds and amounts of feed and on farmers ' perception of main production constraints was gained , utilizing the indigenous knowledge of the farmers . These people have more evidence to support their ideas after the bombing of China 's embassy in Yugoslavia , the incident of the Sino-US aircraft collision and the strong promotion of the national missile defense ( NMD ) system . Michael Broyles considers the ways Bach 's music came to be known in Boston and Mary J. Greer offers a counterpoint in her study of Bach 's reception in New York . As reported previously , Brazil has unveiled new policies to address continued Amazonian deforestation .