Your answer depends on the length of your tour, or your work contract.
there are many dangers in Antarctica.because of ice ,no one was live in that place for many days
Technically, one. The other days may suspect to be full of daylight but truly, they are shorter.
Only one: Antarctica.
one
No one lives there. Scientists go down there and study, But it would be too cold for anyone to stay there for a long amout of time.
It depends on the illness. I'd say three days on average-one when it happens, one to get better, one to recuperate.
Usually 3
A true cost? ... of what? More information is needed.
one
The answer depends on the tour, its point of origin, its tour itinerary, and its ultimate destination. Tours can last for one week or several weeks.
Apollo stayed on the moon for one probably really fun day
One week from my personal experience- the time could vary in different situations.