1. How is potassium-argon dating useful to a palaeoanthropologist when it cant b

1. How is potassium-argon dating useful to a palaeoanthropologist when it cant be used to date bone?2. What techniques from this chapter can be used to reconstruct the palaeoenvironment of a hominid site?3.Where is the Fayum Depression and why is it important?4. What is the Y-5 pattern and why is it important to identify among early primates?5.What credible evidence for bipedality can come from the cranium of an early hominid? What about from the pelvis?6. Sure robust and gracile Australopithecines look very different anatomically but whats the evolutionary significance/difference between the two? (Dontdescribe anatomy here just give me overall evo signif.)