by William Reeths
Mount Everest is 29,035 feet high. It is atleast 60 million years old. It grows about a quarter of an inch (o.25") every year. It consests different kinds of shale, limestone, and marble. The rocky summit is covered in snow all year long. There are 18 climbing routes on everest. It takes 40 days to climb Mt. Everest in order for the body to adjust the hight altitude. There is 66% less oxygen in each breath of the summit of Everest than at sea level. Thin nylon ropes are used to keep the climbers from falling.