Respuesta :
Answer:
I believe your answer would be the third option.
Explanation:
The third option is the only one that has anything to do with their journey across the country. It adds information that goes well with the thesis statement, and gives back up information pertaining to the original statement.
Answer: the answer is Traveling in pods, or groups, the gray whales' round-trip from Alaska to Mexico covers about 12,430 miles.