question_answer 3)

Why were metals, writings, the wheel, and the plough important for the Harappans?  

Answer:

Metals: These were important for the Harappans, because metals were used for making seals and ornaments. The gold, silver, bronze, tin, lead and copper were the main metals. Writing : They know the art of writing and their language was Written in picture like sign called pictograph. Wheel: Wheel was used for making carts. It was also used for designing pottery. Plough : Plough was used for digging the earth for turning the soil and planting seeds.