Dont Know M8
The pressure inside the container would decrease.
it would pop
The moon phases would change.
we would all die
if you make it happen
what would happen if you were not born then every thing in the future will not happen like getting married or get a job
it would increase
You would probably be at a higher altitude, and your water would boil below the usual value of ~100 degrees.
The sun would collapse and increase in density. This would increase the rate of nuclear fusion which would try to hold the star apart even harder. At some point other forces like the electron degeneracy pressure would come into play to hold the star apart. If all those forces failed though the sun would become a black hole.
There would be cat every where
You would die.
It would increase