The Harappans did not know the use of

A. Gold

B. Silver

C. Iron

D. Bronze

Correct Answer is :

C. Iron

Explanation

The Harappans did not know the use of iron. The Indus Valley Civilization is also known as the Harappan Civilization. The Indus Valley Civilization was a Bronze Age civilization (3300–1300 BCE; mature period 2600–1600 BCE) mainly in the northwestern regions of the South Asia, extending from what today is northeast Afghanistan to Pakistan and northwest India.