What Are Vaccines

question 29

Multiple Choice

What are vaccines?

• A) computer hackers who develop harmful programs
• B) computer programs that perform a task, such as printing a message or destroying data, on a certain date
• C) rogue programs that copy themselves onto other programs
• D) computer programs that seek out and destroy viruses

---

Definitions:

Ju/'hoansi

A hunter-gatherer people living in the Kalahari Desert of southern Africa, known for their rich cultural heritage and foraging lifestyle.

Neolithic Agricultural Villages

Early human settlements that emerged during the Neolithic era, characterized by farming practices, permanent structures, and the development of agricultural technologies.

Americas

Describes the continents of North and South America, including the Central American and Caribbean regions, recognized for their diverse cultures, languages, and histories.

Language Group

A collection of languages that share a common origin, exhibiting similarities in grammar, vocabulary, and syntax.