Around 4300 BCE, some mountain people in the Mesopotamian region had mastered the crafts of mining and smelting ____________, launching what scholars call the "Chalcolithic" Age.

Question

Quizplus · Accepted Answer

The Chalcolithic Age, also known as the Copper Age, marks the period when humans first began to work with copper, mastering the crafts of mining and smelting it. This development predates the use of iron, gold working, and the creation of bronze (an alloy of copper and tin), making copper the correct answer.

Around 4300 BCE, Some Mountain People in the Mesopotamian Region