Indefinitely as long as it is in a sealed, airtight container. However, not longer than six months is generally recommended.
Fresh salmon is only good in the refrigerator for about 3 days. Beyond that, and you should worry about it growing bacteria. You can freeze it to help it last longer.
Fresh fish should be used within 1 - 2 days of being refrigerated.
You can freeze just about anything. A sandwich should freeze OK as long as there are no fresh veggies (tomatoes, lettuce) on it. The fresh veggies would be soggy when it thaws out.
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.
Yes
how do i freeze fresh mangos
Yes, as long as it is fresh and fully cooked.
cod will stay fresh forever if you freeze it in a air tight bag.
The Arctic grayling.
They don't. If you freeze them they will expand and break
3 to 5 days.
depends on the temp. needs more information