Seeds are stored in an airtight container to protect them from moisture, air, and pests that could damage or degrade their viability. Storing seeds in an airtight container helps maintain their quality and ensures they remain viable for planting in the future.
Maggots may have come from eggs laid by flies on the food before it was sealed in the container. It is possible that some eggs or larvae were already present on the food before sealing, allowing them to develop into maggots even in an airtight environment.
Like any other bread, the quality will begin to deteriorate after a few weeks. If it is in an airtight container, freezer burn may be avoided, but it still will not be as good as if it was eaten sooner.
You will have to define what hazard is posed by the food. Peanuts placed in an airtight container may not be contained well enough for someone with a severe allergy to them, for example (a little peanut oil fingerprint on the outside of the container might be more than enough to trigger an allergic reaction). And I would think radioactive or explosive food would need their own special considerations as well.
With a powerful blender. Another method that may be successful is to put it in a strong, airtight container and introduce super-heated and compressed hydrogen to liquify the solids.
When an iodine-covered container is placed in a warm place, the iodine will likely sublimate rapidly from solid to gas phase due to its low melting point. This may lead to an increase in pressure within the container as more iodine molecules move from the solid to the gas phase.
Brownies will typically stay fresh and delicious for about 3-4 days when stored in an airtight container at room temperature. After that, they may start to dry out and lose their flavor.
First a hole must be drilled or dug, then the object is dropped therein. Alternatively, the object may be placed in a suitable container such as a box or a bucket, and the container then filled with loose soil.
Store dried soup beans in an airtight container in a cool, dry, and dark place where they will keep for up to 12 months. If you purchase soup beans at different times, store them separately; they may feature varying stages of dryness and therefore will require different cooking times. Cooked beans will keep fresh in a covered container in the refrigerator for about three days.
It isn't always put into paper bags/envelopes. They are only put into paper bags/envelopes if the sample needs to dry or avoid degredation for rotting. For instance a pair of blood stained jeans, they would be placed in a paper bag so that there is a bit of air flow and the jeans will then not rot. However may other sample types would normally be placed into plastic bags, such as fingermarks lifted from a scene. these do not need the air flow so are placed and sealed into an airtight plastic bag.
In an airtight container which also allows excess carbon dioxide to escape, at the very least several weeks to a few months in a cool dry area. Past that, it may taste stale.
Homemade caramel can last for about 2 weeks when stored in an airtight container at room temperature. Its quality may start to decline after this time due to changes in texture and flavor.