You Are a Paleoanthropologist Uncovering Fossils in East Africa

Multiple Choice

You are a paleoanthropologist uncovering fossils in East Africa.Using a certain technique,you discover that a humanlike fossil is in a stratum between a volcanic eruption dated at 2.9 million years and another volcanic eruption whose rocks give a date of 3.6 million years.The fossil is about midway between these layers so you assign a tentative date of 3.2 to 3.3 million years to your fossil.What technique are you using?

A) Radiocarbon analysis
B) Stratigraphy
C) Dendrochronology
D) Potassium argon analysis
E) Grid system