Analysis of information sources in references of the Wikipedia article "Corpse decomposition" in English language version.
The time taken for a body to decompose depends on climatic conditions, like temperature and moisture, as well as the accessibility to insects. In summer, a human body in an exposed location can be reduced to bones alone in just nine days.
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ignored (help)A study done in 2016 at Oak Ridge National Laboratory found that both iris and fingerprint biometric data could be obtained from bodies up to four days after death in warmer seasons and for as many as 50 days in winter.