Answer :
it should be airtight because space is like a vacuum, and a
non-airtight spacecraft would vent the atmosphere, making it impossible
to breathe
non-airtight spacecraft would vent the atmosphere, making it impossible
to breathe
In space, air particles will try to distribute, as there is nothing. This will result in the gasses flying out to space. The ship has to be airtight so that the gas will not escape.
