Answer:
The correct answer is:
a. is a process consisting of multiple events, with a blurry line between life and death.
Explanation:
Biological death is declare in the medical field when the main activities of the body stop working, such as heart-beating, breathing, eyelid response to light, natural body warm decrease. It is possible to say that, there is normally a blurry line between life and death since other functions can last for a while more, after the biological death is declared.