Final answer:
In early adulthood, individuals may feel invulnerable and believe that bad things, including death, happen to others but not to them. They might also believe that they possess special protections from death.
Step-by-step explanation:
The developmental understanding of death in early adulthood includes unique challenges and beliefs. In early adulthood, individuals may feel invulnerable and believe that bad things, including death, happen to others but not to them. They might also believe that they possess special protections from death. However, open discussions about death and experiences, such as Princess Diana's death, can shake their ideas of invulnerability.