What is a 'Put Option' A put option is an option contract giving the owner the right, but not the obligation, to sell a specified amount of an underlying security at a specified price within a specified time. This is the opposite of a call option, which gives the holder the right to buy shares. BREAKING DOWN 'Put Option'
High Altitude Sickness and Everest Base Camp. One of the major challenges facing trekkers heading to Everest Base Camp or any other high elevation trek in the Himalayas is dealing with the potential threat of High Altitude Sickness. The primary cause of High Altitude Sickness is a decrease in the amount of available oxygen with altitude.
Depending upon how you define highest mountain, Mount Everest has some rivals! Highest Altitude: An altitude of 8,850 meters (29,035 feet) above sea level makes Mount Everest the mountain on Earth with the highest altitude. Highest altitude means that it has the highest elevation above mean sea level.epending upon how you define highest mountain, Mount Everest has some rivals! Highest Altitude: An altitude of 8,850 meters (29,035 feet) above sea level makes Mount Everest the mountain on Earth with the highest altitude. Highest altitude means that it has the highest elevation above mean sea level.