Final answer:
Mount Everest is the tallest mountain in the world, standing at a height of 8,848 meters (29,029 feet) above sea level in the Himalayas range.
Step-by-step explanation:
The tallest mountain in the world is Mount Everest, which is located in the Himalayas range. Mount Everest is part of the country of Nepal and it stands at a height of 8,848 meters (29,029 feet) above sea level.
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