Instruction :
When going on a backcountry hike, which of the following are among the 10 essentials for a safe hike: a navigation device (such as a map or compass), a headlamp with extra batteries, a fire starter (such as matches or a lighter), extra food, extra water, a camera.

Response:
A navigation device (such as a map or compass), a headlamp with extra batteries, a firestarter (such as matches or a lighter, extra food, and extra water are among the 10 essentials for a safe hike. While a camera may add to your enjoyment of the hike, it is not essential.