No, because a 7 year old has done it.
Yes, a 10-year-old climbing Kilimanjaro would likely set a record as the youngest person to ever summit. However, climbing Kilimanjaro can be quite challenging due to the altitude and physical demands, so proper preparation, guidance, and safety measures would be crucial.
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If you climbed Mount Everest aged 10 then you would be aged 10
This would be totally impossible to say as there has probably been many hundred thousands who have climbed in the Alps.
There is no adverb form for the verb climb, or climbed. You would need to use an adverbial prepositional phrase to indicate "in a climbing fashion."
Zebulon Pike tried to climb El Capitan but failed in his effort, He predicted that it would never be climbed.
He or she would be called a climber or mountaineer
if a verb is an action word then it would be clumb
Jon Krakauer was born in 1954, when he climbed Mount Everest in 1996 he would of been 42 years old.
It comes from an old idea that God kept track of the good things and bad things one did and that this record would be used to decide if one was admitted to heaven. This record of deeds was called 'the good book'
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He climbed that mountain 5 years ago.
He or she would be called a climber or mountaineer