E1F04:Which of the following geographic descriptions approximately describes "Line A"?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E1F04 is A line roughly parallel to and south of the border between the US and Canada.
The key fact is A line roughly parallel to and south of the border between the US and Canada. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.