Question

what is the nickname of the section of mt. everest where there is not enough oxygen for humans to breathe?
heros point
no mans land
point of no return
death zone

Explanation:

The section of Mount Everest where there is insufficient oxygen for humans to breathe is commonly known as the Death Zone. Above about 8,000 meters (26,247 feet), the amount of oxygen is too low to sustain human life for an extended period without supplemental oxygen.

Answer:

D. Death Zone