Since I cant type just one letter, I believe the answer you are searching for is "A"
Answer: the first one is "champollion was named "keeper of the egyptian collections" the second one is "he had a tremendous job of deciphering and organizing to do" the third one is "his brother completed it for him" and the last one is "scholars were able to trace the entire history of egyptian writing
Answer:
The first one is a run on sentence.
Explanation:
There are multiple pieces of information in the sentence that should be separated by a comma but aren't, so the sentence is run-on.