usually nine months from it's birthdate. always noted on the bottle.
Most soda bottles will have an expiration date on them. As long as they are not stored in extreme heat or cold, they should be fine at least until the expiration date, if not, longer.
I believe it is 2 to 3 years unopened.
a year
it can stay fresh for 2 weeks
Forever
It will stay fresh for some hours. Not too long. So it depends how long the fridge been off. Too long is bad.
cod will stay fresh forever if you freeze it in a air tight bag.
i would say brownies stay fresh for about 3-5 days if they are in a sealed container.
Weed stays fresh for a long time. You can put it in a plastic bag to keep it fresh for a long time or you can also freeze it.
salt wil make it stay fresh for a while :D
two days
i don't think it will help the lifespan of the flowers
one mth
two days
2 years