State any two ways in which the script of the Indus Valley Civilization provides us with valuable historical information.

Two ways in which the script of the Indus Valley Civilization provides us with valuable historical information are:

1. The Indus script indicates that the script was pictographic as it uses signs of birds, fishes and humans.
2. Although not yet deciphered, the script is found inscribed on a number of seals, copper tools, rims of jar, copper and terracotta tablets, jewellery and on an ancient signboard. This indicates that the Harappan civilisation was an advanced urban civilisation.