Question

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

Answer 1

Metals were used for Copper and bronze: Making tools, weapons, ornaments, vessels. Gold and silver: Ornaments, vessels.Writing has always been a very important means of communication. It was important for the Harappans also.The wheel was used in carts and pottery.The plough was used to dig the earth for turning the soil and for planting seeds.
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Answer 2

Answer:

Metals, writing, the wheel and the plough were important for the Harappans in many ways. Metals were used for making various tools, utensils, jewelry and seals. Writing was useful for maintaining the records; related to trade and for various other purposes. The wheel was used in carts to ferry people and goods.