As long as it could be preserved.
fossil's that have been preserved over a long period of time
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The preserved duck or chicken egg commonly known as the 1000 year old egg is seldom more than 100 days old actually. Also known as pidan, the eggs are coated in a plaster of red clay, lime, salt, wood ash and tea.
There are mammoth tusks that have been preserved. In fact, there was a trade of mammoth ivory from carcasses even after they were long extinct.
A century is 100 years long.
Eggs can be pickled, raw eggs can be frozen if they are blended first, or the yolks and whites can be frozen separately.
The word 'mummy' is generally used for a body which has been preserved over a long period of time. A recently-preserved body is usually referred to as 'embalmed'.
The hero of a Babylonian flood myth whose story is preserved on clay tablets dating to the 17th century B.C.
It preserved a nation that was half free and half slave.
at least a few thousands years
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