Final answer:
The large number of European archaic H. sapiens finds can be attributed to Europe's rich fossil record, the presence of various archaic Homo species, and extensive scientific research and excavations in the region.
Step-by-step explanation:
The large number of European archaic H. sapiens finds can be attributed to a combination of factors. First, Europe has a rich fossil record due to the geological processes that have preserved ancient remains. Second, Europe was inhabited by various archaic Homo species, such as Homo antecessor and Homo heidelbergensis, which contributed to the diversity of finds. Lastly, archaeological excavations and scientific research in Europe have been extensive, leading to the discovery of numerous fossil specimens.