Origin and Discovery of the Indus Valley Civilisation
were used to ...
Question
___________________ were used to construct buildings.
a. Mud and hay
b. Mortar and cement
c. Sun-dried bricks
d. Baked bricks
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Solution
The correct answer is option (d).
Explanation: The bricks used to build the houses in Indus Valley civilisation were baked. They were either sun-dried or kiln-fired mud bricks. They were used because they are strong and that is the reason they have stood up even after thousands of years.