Which of the following indicates total destruction of the body?

Total incineration indicates total destruction of the body because it involves the complete combustion of human remains. This process results in the reduction of the body to ash and bone fragments, effectively eliminating any identifiable anatomical structures. The heat generated during incineration is intense enough to destroy all organic material, making it impossible to recover or identify any part of the body after such an event.

In contrast, options like decapitation involve the removal of part of the body rather than its complete destruction. While decapitation is severe and fatal, it still leaves significant portions of the body intact. Similarly, the separation from the body of the brain, liver, and heart describes specific injuries but does not equate to total destruction of the body – parts remain that could potentially be identified or treated. Trauma refers to physical injury and can vary greatly in severity, but again, it does not necessarily imply that the entire body is destroyed. Total incineration, therefore, is the only option that unequivocally signifies the complete and irreversible annihilation of the body.