Answer:
No humidity, constant cool temperature, serenity and calmness, and no crowds or lcrowd noises Camping in a cave is in many ways a lot more challenging than even the most dangerous places for sleeping outdoors.
B) study of psychological disorders.
The smooth mountain rock surface makes a higher runoff rate than a vegetation surface. Differ form soil; mountain rocks have small fractures in the surface that absorb a little water but not that much.
