Answer:
Champollion knew that inscriptions on cartouches were often the names of famous leaders.
Explanation:
none
Yes, because it's a picture taken of the event.
You know a secondary source is something that DID NOT take part of or witness the event, so a Primary source is something that DID take part of, or witness the event.
So a picture would be a Primary source.
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The answer is attached.
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<u><em>Achievements :)</em></u>
Try to take a better picture it’s a bit blurry