It should be eaten the same day it is thawed. For best results only partially thaw, and then cook and eat immediately. Go here for more:
http://nchfp.uga.edu/how/freeze/thawing.html
Thawed spinach would be considered potentially hazardous food. It should be unrefrigerated for no more than an hour or two.
3 days
How long it will last will depend upon how good it was when frozen and how it was thawed. If it was thawed at room temperature, it should be cooked immediately. If it wasn't fresh when frozen, it should be cooked immediately. If it was very fresh when frozen and was thawed in the fridge, then you should have at least a couple days to cook it.
Normally, frozen vegetables are not thawed first but are cooked from frozen.
It should say on the bottom of the package. If not, it's usually good for about a year, if it's been kept frozen and not thawed.
Yes it can
It is safe to eat, and it won't even taste worse - depending on how long it was initially thawed.
Vacuum sealed hamburger meat that is frozen can last 2 to 3 months. When it is thawed, it shouldn't be kept in the refrigerator more than a couple days.
About 3 days in the refrigerator.
A prime rib can be frozen, but it should be thouroughly thawed before cooking.
No it needs to be frozen if not used on a couple of days
2 or 3 days in the fridge
I think I would find it hard to actually drink milk that is frozen. But I have consumed milk that was frozen, then thawed in the refrigerator. It was fine.
If they've been thawed, a week tops. If they're frozen solid a month.