20 c
different air pressure...
People freeze dry food as space food. It is because frozen food does not spoil.
Enjoy the scenery and the wildlife mostly. Freeze a bit at night. Experience altitude sickness.
Mountains are icy because the altitude makes the air cold, which makes the tops freeze.
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Salt is added to improve the taste of foods independent on the altitude.
You can freeze food to keep it from decomposing.
You can pretty much freeze any cooked food. That is the advantage of freezing. It is the best way to store foods.
In fact, they do still sell it there. You can buy freeze dried food at "The Space Shop" in NASA.
Yes. You can freeze it if it is dry or cooked. This is a very easy food to keep. Make sure to freeze in an airtight container.
You can find more information about freeze dried food by researching with books. The library most likely has many books about freeze dried foods and how to do the process.
You can freeze it or refrigerate it.