The bread will get soggy, the seafood will rot and stink up the house
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to prevent the growth of harmful bacteria that could cause food borne illnesses
Shelf-stabled smoked salmon that has a water activity below .85 does not need to be refrigerated until opened. Once opened, it should be placed into an airtight container and refrigerated for up to two weeks.
Until it is just warm, then it should be refrigerated.
If you want to keep it cold you should. It doesn't have to be refrigerated until you want to rechill it for drinking.
Don't Think The Crackers Do But Maybe the Cheese
The risks for eating a lot of seafood fluctuate. If you love seafood, eat a variety of types from a variety of sources and there should be no problem. There is more danger in eating just one kind of seafood only that can be more prone to contamination than others or eating seafood from a single source. For several years, I took a tuna sandwich to work for lunch every single day. I love tuna sandwiches. My choice of brands was limited because I only like the kind that comes unsalted. That was until blood tests showed elevated mercury levels, not dangerously high but it was recommended that I eat much less tuna.
The only thing that may happen to salami if it is not refrigerated overnight, is it may soften. Salami is shelf stable until it is opened. After that it should be stored in a brown bag in a cool dry place.
Any washed or cut fruit should be refrigerated. Most any fruit will keep longer if refrigerated. Stone fruit, like peaches, plums and nectarines, should be left at room temperature until they reach the desired ripeness, then place them in the fridge.
Each type would require different storage. Cold appetizers must be refrigerated or frozen. Hot appetizers should probably be frozen until you're ready to cook them. If they've already been cooked, they could be refrigerated or frozen until you want to reheat them. Appetizers like chips or breadsticks should be stored in an airtight container in the pantry.
A person should avoid storing watermelon at room temperature once it has been refrigerated. This can cause the watermelon to spoil faster. Also, it is advisable to keep cut watermelon refrigerated until serving.
Orange juice that is opened does not stay fresh for long if it is not refrigerated. You should not drink it if it has been out for longer than a couple of hours.
No, that is the proper method for marinating fish. You need to keep fresh fish refrigerated until you are ready to cook it.
Chess pie should not be refrigerated because it is meant to be served at room temperature. You can however refrigerate any leftovers if you prefer and then bring it to room temperature before serving.