Foods that are left out in room temperature for more than an hour can begin bacteria growth. Our stomach acids can kill some of these bacterias but not all and some can make you very sick. Keep foods OUT of the danger zone- Above 45 degrees and Below 145 degrees. Between these temperatures bacteria lives and breeds on our foods.
smoked salmon
probably salmon
Food can have bacteria grow on it as soon as an hour at room temperature. Our stomach acid can kill some of this bacteria.Leave food out no longer than a few hours if you do not want to get sick.
Salmon will not last very long when it is left unrefrigerated. It will spoil within the same day. Salmon will last up to two days in the refrigerator, or if cooked, will last up to four days.
5 months
Opened it will not last long before it dries out, but in plastic wrap or a container it will last about 5 days.
2 days
If you half cook it first, over a year.
a week. don't eat it if it smells rotten to you though.
Apple will start to brown 10 minutes after it is sliced
a very long time
That depends on the freshness of the cream and the temperature at which it is stored. It will smell (and taste) sour when it spoils.