When a body has been dead several months and gone through hot and cold seasons, the degree of certainty when predicting the pmi is not even close definite low high

Low

Explanation:

According to my research on studies by different Medical Examiners it is said that when a body has been dead several months and gone through hot and cold seasons, the degree of certainty when predicting the PMI is Low. This is because after a certain amount of time the body has decomposed to the level that most of the PMI testing techniques are no longer usable. Like using the maggots on the corpse to determine how long the body has been dead or measuring the temperature of the liver.

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molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.