Climbers use bottled oxygen on Mount Everest to help them breathe more easily because the higher you climb the less oxygen there is.
At the summit of Mount Everest there is approximately 33% of the oxygen that is available at sea level.
Yes on some parts the air is to thin to breath.
people take about 5 breaths on mount everest
limited oxygen and steep sides
Yes
Mount Everest does not erupt as it is not a volcano.
Most people visit Kathmandu before going to Mount Everest. They can buy fresh food and climbing gear to take with them.
Expeditions on Mount Everest do not take any water with them. They melt the snow and ice that is on the mountain to use as there water.
Rob Hall climbed on Mount Everest because he was a mountain guide. People with climbing experience hired Rob Hall to help take them to the summit.
Take a read of the article at the link given, it will tell you what you need to do to survive on Mount Everest.
because it takes 7 weeks to get to the top of the Mt Everest and 3 days to get down.
It would take a bit more time on Mount Everest to cook rice, because on Mount Everest, there are no utensils with which to cook rice at the appropriate temperature.
It takes around 40 days to climb Mount Everest, allowing for the weather and aclimatization.
Most tourists visit Mount Everest to see the highest mountain in the world and to take in the view of the surrounding mountains