Uncooked meat is not safe to eat, in general.
As for cooking it, a brown color can indicate that the hamburger is not freshly ground, that it has oxidized or possibly spoiled. Unless it has been under proper refrigeration since ground (where it may have been photo-oxidized by UV light), it should be suspected as spoiled.
Assuming it has remained constantly frozen for the three years hamburger is probably safe to eat. But, it may or may not taste good.
Im sure it can. Just like raw hamburger.
No
Well If You Eat Raw ( Uncooked ) Meat What it Will Do That You Will Have Worms And Parasites in Your Body
No, hamburger that is not cooked to 160°F could harbor pathogenic bacteria.
Geckos are carnivorous animals. Therefore, they can eat steak. It's better that they are fed uncooked steak, as long as the steak is safe to eat.
No! Do not eat it!
It is safe to eat if it does not contain uncooked/undercooked eggs (whites or yolks) and has not gone bad/stale/off.
yes but they will make you very sick uncooked
No
is it safe to eat potatoe with brown veins inside
yes