The Harappans did not know the use of
Answer: Option D
Solution(By Examveda Team)Iron was not used in the the Harappan cities. Harappan cities are the part of Indus Valley Civilisation, which was held after the Chalcolithic period of stone age. During the Chalcolithic period copper was first used to make tools, utensils and other objects.
D. Mohenjo Daro
A. Horse sacrifice was known to them
B. Cow was sacred to them
C. Pashupati' was venerated by them
D. The culture was generally static