Rank the following locations from highest elevation to lowest elevation (p. 170-171):
 Kolkata, Mecca, Mt. Everest, Tashkent, Plateau of Tibet.
 Mt. Everest, Plateau of Tibet, Mecca, Kolkata, Tashkent
 Plateau of Tibet, Mt. Everest, Tashkent, Mecca, Kolkata
 Plateau of Tibet, Kolkata, Tashkent, Mt. Everest, Mecca
 O Mt. Everest, Plateau of Tibet, Tashkent, Mecca, Kolkata
 Plateau of Tibet, Tashkent, Mt. Everest, Mecca, Kolkata