Question

Who was the first man to climb Mount Everest without Oxygen?​

Answer 1

Answer:

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Explanation:

Reinhold Messner

On 8 May 1978, Reinhold Messner stood with Peter Habeler on the summit of Mount Everest; the first men known to climb Everest without the use of supplemental oxygen. Prior to this ascent it was disputed whether this was possible at all.

Answer 2

Answer:

Reinhold Messner was the first man to climb Mt.Everest.

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