Answer:
a)Mount Everest with highest altitude above the mean sea level at 29,029 feet
GIS is basically used to study geologic features and etc, it creates 3D displays of geographic features
In fact, since the Moon is constantly rotating on it's own axis, there is no area of the planetoid which is permanent darkness, and the far side of the Moon is only completely devoid of sunlight during a Full Moon - when the Sun is facing the Moon with the Earth in between.
Variations in air pressure from place to place are the principal cause of wind.
