Question

write an major impression , and unique feature of earliest cities​

Answer 1

Answer:

In cities related with the Harappan civilisation, each drain had a gentle slope so that water could flow through it. Very often, drains in houses were connected to those in streets and smaller drains led to bigger ones. As the drains were covered, inspection holes were provided at intervals to clean them.

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Answer 2

Answer:

I don't no the answer........