While on an archaeological dig in Europe, you find a stone tool that is rounded on one side and has had flakes removed from the other side, giving it the appearance of a tortoise shell. This is likely to be a(n):.a) Clovis point. b) completed tool that is similar to those you have seen from the Solutrean toolkit. c) Oldowan core typical of the Lower Paleolithic. d) example of the Levallois technique of the Middle Paleolithic.