not much
A Sled
Perhaps the most important transferable skills you need to possess in order to become a doctor are learning how to interact with patients. Communication skills are key.
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okay.so to get in Iditarod race you need to go there and get some practice.They will put you in 3-4 races for practice.then you are a rookie.They you have to participate in the race. and after you win some races you are not rookie.you are a Iditarod musher.
In order to work for the Agency you need to have linguistic skills, prior military experience, or computer skills.
Degrees, and special reuirements.
You need to have a second controller e.g. a joystick
Defeat all the blacklist racers
Balance. Patience, in order to learn how to ski.
find some trees or shrubs!
it is good to have all the items you will need for the race