What would you think of someone who planned to climb Mount Everest alone?
It would be foolhardy to try such a thing.
What is the meaning of challenge as it is used in the passage?
Challenge means "something that takes skill or effort."
Why would it be unwise to blow an airhorn while high up on Mount Everest?
Any loud noise could start an avalanche.
Why would you expect conversations between climbers to be terse?
Because the air is thin, climbers probably would say only what is necessary to save their breath for the climb.
The weather can change quickly for the worse, bringing blizzards or other dangerous storms.
What weather conditions would make a mountain climber optimistic?
Clear skies with little chance of snow would make a climber feel hopeful.
How are crevices useful to climbers?
Into these rock openings, climbers drive spikes to hold their ropes for steep climbs.
What is the meaning of route as it is used in the passage?
Route means "the path that must e followed to get to a place."
What should people do if caught in bad weather while climbing a mountain?
It is best to try to make a makeshift shelter.
When do climbers need to use ropes?
They need ropes when they are climbing a vertical section of the mountain.
What would happen to a team of climbers who couldn't raise enough money for an attempt on Mount Everest?
They would be thwarted in making the climb.
He said he wanted to climb it because it was there.
Why would Mallory have been familiar with Everest on his last climb?
He had made several previous attempts.
They will have calculated the location carefully. They will probably see flags and other things left by climbers who were there before them.
Why would climbers feel jubilant while standing on the top of Everest?
They would feel happy that they had conquered the highest mountain in the world.
What is the antonym of optimist?
pessimist