(a) It is highly polluted area on earth
(b) It is extremely cold region on earth
(c) One of the hottest places in the world
(d) The existence of a large number of volcanaes
(a) It is highly polluted area on earth
(b) It is extremely cold region on earth
(c) One of the hottest places in the world
(d) The existence of a large number of volcanaes
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