Maca is a plant that grows in central Peru in the high plateaus of the Andes Mountains. It has been cultivated as a vegetable crop in this area for at least 3000 years. Maca is a relative of the radish and has an odor similar to butterscotch. Its root is used to make medicine.
The modern embalming process can preserve the body for quite a few years and may be even a hundred years or more. Embalming, however, does not ensure that the body is preserved forever in time but the longevity is more than burials. Also, since the body is kept in caskets they may last longer. More Articles 1  : Embalming A Human Body. 2  Embalming During The Civil War.
Embalming fluid only staves the decay process off for about 4 - 5 days. It's meant mostly to keep insects away. Nowadays, because of all the preservatives in our food, plus embalming fluid and burial conditions... it can take up to 20 years to fully decay. It starts decaying the moment a person dies.