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.
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.
Fresh fish should be used within 1 - 2 days of being refrigerated.
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