Answer:
Fired Brick
Step-by-step explanation:
Cite: The Edmentum lesson: Civilizations in India and China
"The Harappans used fired bricks for building. Fired bricks are clay bricks that are baked at a high temperature"
"Harappan houses were well-planned and orderly. Houses in cities were made of fired bricks. Houses in smaller towns were made of sun-dried bricks