Explanation:
Rare property of obsidian that is advantageous to archaeologists is that it occurs in volcanic flows that are remarkably homogeneous in chemical composition within a flow, but preserve elemental signatures that are unique to volcanic centers, and in some cases individual flows.
He's just one of the boys. Lived and worked here all his natural life. Even married one of the Evans girls (or whatever name you want to put in here).
He's just plain folks just like us.
Its C a diverse selection of exported products
Guinness says that Operation Overload in World War II was the greatest but each teacher probably has a different answer