insert one comma to separate the coordinate adjectives. boomerangs — flat angular pieces of wood — can be…

insert one comma to separate the coordinate adjectives. boomerangs — flat angular pieces of wood — can be traced back to many ancient civilizations. king tutankhamun, who ruled egypt from 1332 to 1323 bce, had a considerable boomerang collection.

insert one comma to separate the coordinate adjectives. boomerangs — flat angular pieces of wood — can be traced back to many ancient civilizations. king tutankhamun, who ruled egypt from 1332 to 1323 bce, had a considerable boomerang collection.

Answer

Brief Explanations:

Coordinate adjectives are adjectives that modify a noun equally and can be joined by "and". "Flat" and "angular" both modify "pieces of wood" and can be said as "flat and angular". So a comma should be inserted between them.

Answer:

Boomerangs — flat, angular pieces of wood — can be traced back to many ancient civilizations. King Tutankhamun, who ruled Egypt from 1332 to 1323 BCE, had a considerable boomerang collection.