 Complete the following phrase:  However, the primary branch H2 P96 seems to have been found in sparse levels primarily in Europe and West Asia since prehistory. Pre-Pottery Neolithic B PPNB is part of the Pre-Pottery Neolithic, a Neolithic culture centered in upper Mesopotamia and the Levant, dating to years ago has been found in remains also the later Linear Pottery culture and Neolithic Iberia. H2 likely entered Europe during the 