Question

Which three achievements can be attributed to the Harappan civilization in the Indus River Valley! O Architecture built with bricks Aqueducts for access to clean water System of cataracts on the Indus River Sewer systems in the city Roads arranged in grid-systems Arches built with concrete​

Answer 1

Answer: The Indus River Valley civilizations were built on a grid and had the first sewer systems. They also had houses/buildings made of brick

Explanation:

Answer 2

Indus River Valley civilizations were made on a grid, they had the very first sewer systems. They had buildings made of brick