in a cupboard out of sunlight.
One crispy food that will be become soft when left in the open and only retain their crispiness when kept in airtight tins are crackers.
Yes, all tins of food should have safety openers, but unfortunatly, some of them don't!
Tins you should store in cupbords once open in fride meat in fridge and frovens in the freezor :)
It depends on the food. But food and safety laws state dairy should be kept at 40F or below.
Cold food should be kept at 40 degrees or lower. Keep hot foods hot. This will insure safe food to eat.
Candery
It depends on the type of food it is
Ants use smell to identify sweets even if they are kept in tins if there is any residue of the food on the outside of the container. When ants find food they send signals to other ants and they will come to the food source.
That would depend on the food, "The Danger Zone is 45 to 140°F" Any cold food should be kept below 45, and hot food should be kept above 140 degrees.
so that it does not go bad
because they carried the food they were allowed in it.
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