Physics Technology Update (4th Edition)

Published by Pearson
ISBN 10: 0-32190-308-0
ISBN 13: 978-0-32190-308-2

Chapter 32 - Nuclear Physics and Nuclear Radiation - Conceptual Questions - Page 1151: 9

Answer

Obsidian arrowhead.

Work Step by Step

We know that the obsidian arrowhead cannot be dated with carbon-14 as it is non-organic. Carbon 14 dating is used to date items that had living biological origin (and thus contain carbon), but obsidian is a non-living rock.
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