Final answer:
If I were preparing for a year-long trip and could only take one additional thing, I would take a versatile and reliable smartphone.
Step-by-step explanation:
If I were preparing for a year-long trip and could only take one additional thing, I would take a versatile and reliable smartphone.
A smartphone would provide me with multiple benefits. First, it would serve as a communication device, allowing me to stay in touch with my loved ones and access important information while I'm away. Second, it could serve as a source of entertainment, providing me with access to books, movies, music, and games. Lastly, a smartphone can also serve as a camera, allowing me to capture and document the amazing experiences and sights I encounter during my travels.