Which of the following statements about Harappan civilization is false?

A.) We have learned a great deal about them by deciphering their written language.

B.) It began around 2500 BC and declined around 2000 BC.

C.) It is known for its construction and engineering.

D.) We do not really know why it declined.

The false statement about Harappan civilization would be: A.) We have learned a great deal about them by deciphering their written language.

To this day, archeologist and historian failed to discover any form of writings that created in this civilization. We only known about their existence from the referral by other writings that found in nearby civilization