The so-called Piltdown man was once considered an unusual and perplexing human ancestor, but it turned out to be the jaw of a young orangutan attached to a Homo sapiens skull. What dating technique exposed the Piltdown fraud?
A. fluorine absorption analysis
B. potassium-argon
C. carbon-14
D. electron spin resonance
E. thermoluminescence
Question 2
The utility of stratigraphy for dating purposes is based on the fact that
A. all environmental forces leave behind the same kind of soil deposit.
B. the depth and order of undisturbed soil strata reflect the age of their deposition.
C. higher strata are usually older than lower strata in undisturbed soil.
D. soil strata are uncluttered by bones, stones, and artifacts.
E. once in the soil, there are very few things that can damage or disturb bones.
human ear
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