In the excerpt about Mars, the sentence that would be the best choice for Talia to add to the "<u>What I learned</u>" column is:
Sentence 6: "Scientists believed that the face was just one of the mesas."
Talia is reading an excerpt in order to complete a table. The column she must complete now is the "<u>What I learned</u>" column.
Thus, Talia must complete the column with the main idea she grasped after reading the excerpt.
The excerpt is about a picture taken of Mars where a strange, long face appears. The purpose of the excerpt is to explain that the face was not really a face: it was a mesa, which is a typical geographical feature in Mars.
Therefore, among the sentences in the excerpt, the one that best fits the column is sentence 6: "Scientist believed that the face was just one of the mesas."
The complete question with the excerpt can be found attached.
Learn more about Mars here:
brainly.com/question/23903743
