In 1799, Napoleon's French troops were fighting in Egypt when his army's%0D%0Aengineers found a stone slab, later called the Rosetta Stone. The stone bore inscriptions%0D%0Ain three languages, including hieroglyphics, a dead language that no one knew how to%0D%0Aread. By comparing the writing of the languages, scholars learned how to read%0D%0Ahieroglyphics for the first time. They could finally read many other hieroglyphic%0D%0Ainscriptions that were created in ancient Egypt, and they learned much about life in the%0D%0Adistant past.%0D%0A%0D%0AWhich of the following analogies about the Rosetta Stone fits the information provided in%0D%0Athe passage?
