First underground drainage system was introduced by which civilization ----:

A ) Mesopotamia civilization

B ) Indu valley civilization ✅

C ) Egypt Civilization

D ) China Civilization

Related Questions
  1. The local people of Mesopotamia were referred to as -----.
  2. The Fertile Crescent is associated with which Civilization?
  3. The Enlightenment is also known as the ----.
  4. The Iron Age introduced which of the following?
  5. The Sumerian Civilization was located in -----
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