Analyze the map below and answer the question that follows. A satellite map of Central America. Land areas are circled and labeled 1, 2, 3, 4, and 5. 1 is a peninsula near Northwest Mexico and California. 2 is a plains region in Mexico. 3 is a mountain range in Mexico. 4 is a peninsula near Guatemala and Belize. 5 is Panama.
Image courtesy of NASA

Look at the map above. Which of the following statements is true?