Answer:
It was a breakthrough in his research.
Explanation:
James Giblin's book "The Riddle of the Rosetta Stone" presents the perfect illustrations and descriptions of how ancient hieroglyphs were an important factor. Moreover, the book also presents an interesting overview of ancient Egyptian history for avid historians and even for children interested in archeology.
Based on the given statement, we can know that the <em>"copy of an inscription"</em> that was sent to him by a colleague became the breakthrough in his research. This piece of information helped Jean-Francois Champollion's research and became the breakthrough act that uncovered or revealed everything that's been hidden.
Thus, the correct answer is the first option.
I would say D) Because swimming races are won by inches, the new suits can make a difference. It's joining a statement and a reason for the statement.
White Fang came in until he touched Gray Beaver's knee
At the sound, Kiche leaped snarling to the end of her stick, and there raged terribly because she could not come to his aid. But Gray Beaver laughed loudly
Both nose and tongue had been scorched by the live thing, sun-colored, that had grown up under Gray Beaver's hands
