What are three of the most cost-saving and health-saving measures needed according to Dr. Gortmaker and his co-authors?

For many years Champollion's progress was blocked because, like de Sacy and earlier scholars, he believed the hieroglyphs represented things, not sounds.

Explanation:

James Cross Giblin's "The Riddle of the Rosetta Stone" is an informative book on the discovery of an ancient stone. The book tells us how the stone would become the basis of deciphering the ancient language and give the history of the Egyptians.

In the given passage, Champollion's process of deciphering the hieroglyphs. And the line from the passage that shows how his ideas were similar to de Sacy is "For many years Champollion's progress was blocked because, like de Sacy and earlier scholars, he believed the hieroglyphs represented things, not sounds."