Question

Who was the first Man to Climb Mount Everest Without Oxygen​

Answer 1

Answer:

messner and hebler

Step-by-step explanation:

the first man to climb mount Everest was Messer and hebbler

Answer 2

Answer:

At 07.22am, on May 26th, 1998, Bear Grylls became The Youngest Briton to climb Mount Everest at only 23. The actual ascent of Everest took ninety days enduring extreme weather, two months of limited sleep and running out of oxygen in the upper regions of the 'death zone' (above 26,000 feet).