When Soldiers Who Were Addicted to Narcotics Returned from Vietnam

question 64

Multiple Choice

When soldiers who were addicted to narcotics returned from Vietnam back to the United States, research shows that the soldiers:

• A) were most likely to stay addicted for life
• B) most often no longer used drugs within months of their return
• C) had a fifty-fifty chance of staying addicted
• D) had the same success rate in drug treatments as civilians who never went to Vietnam

---

Definitions:

Inheritance

The method through which genetic data is transmitted from parents to their children.

Genetic Mutations

Changes or alterations in the DNA sequence that can affect genetic information, potentially leading to genetic disorders or variations in traits.

Fossil Evidence

Physical remains or traces of ancient organisms preserved in geological formations, offering insights into past life.

Theory of Evolution

A scientific explanation for the diversity of life on Earth, proposing that species change over time through processes such as natural selection.