Final answer:
A crevice is a narrow opening or crack, often found in rocks or cliffs. It can also refer to a small pit, groove, or hole in bone. In geography, crevices can be found in various natural formations, such as canyons, caves, and rock formations.
Step-by-step explanation:
A crevice is a narrow opening or crack, often found in rocks or cliffs. It can also refer to a small pit, groove, or hole in bone. In geography, crevices can be found in various natural formations, such as canyons, caves, and rock formations. They are formed through erosion or other geological processes over long periods of time.