It depends on where you live, what beef you buy, and where you buy it
Cows.
No, unless commercially packaged.
you can pack all beef for up to 2years if it is well wrapped
The similarities between beef jerky and cheezits is that they are both packaged and sealed. Another similarity is that they are both savory flavor.
It will have a greenish tint to it. And it will be a little slimy and have a bad smell
Kenneth James Baird has written: 'A study of the lactic acid bacteria from vacuum-packaged beef'
Only if it is commercially packaged (e.g. beef jerky, candies or chocolate in its original package).
It can be left out as long as you'd like. However, it becomes unsafe to eat after a couple hours.
Yes, you can bring beef jerky through TSA security checkpoints in your carry-on luggage. It is considered a solid food item and is allowed as long as it is properly packaged and does not exceed the liquid restrictions.
You can store any frozen food for 6 months unless it it not packaged properly and it gets freezer burn.
This is an unnecessary step, so no there's no need to do so. Once it's packaged you just need to throw it in the freezer, no washing necessary.
Corned beef is derived from cattle (beef), not from pigs (pork). Also, don't mistake 'corned beef' for 'corn-fed beef'. 'Corned beef' is a brine cured cut of beef, whereas 'corn-fed beef' is cattle that were fed corn as opposed to other grains.