Which of the following statement(s) is/are correct about the Indus Valley Civilization?
1. The Harappan civilization belongs to the Bronze Age civilization and Harappans knew how to make copper bronze tools.
2. There were altars of fire in Lothal and Kalibangan.
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2