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about 80,000- but really depends on how long the person has been employed
If they had a supply air, food and a powerful heating system for their spacecraft or habitat they could stay there indefinitely; as long as they wanted to.
A long time!!
Can they test for air duster if so how long
Research suggests that flies can stay in the air for about one to two miles without rest. The average speed of a fly is about five miles per hour.
yes they can dunk if they have hops really high hops and the would have to stay in the air for a long time
Forever
It will vary from person to person depending on how long they can hold their breath but about 3 minutes is considered the average from what I have always been told.
Jets stay up in the air because they feel like it!!! hohohohoh
12 seconds
A person can live minutes without air.
As long as they have flue to heat the balloon.