They do have expiration dates
about 7 to 10 days after opening
it will be 2weeks
No, opening the refrigerator in the house does not make the room cold. In fact, the refrigerator itself releases heat into the room as it runs to cool its interior.
about three days or less
Crab salad should keep safely in the refrigerator for three to four days.
Cauliflower should be safe for 1 week if stored in the refrigerator.
about an hour or two.
Until it evaporates
6 months
1 week
Bananas do not keep well, a day maybe two.