Which Metal Is Referred to as the Key Metal of History

question 28

Multiple Choice

Which metal is referred to as the key metal of history?

• A)copper
• B)bronze
• C)gold
• D)silver
• E)iron

---

Definitions:

Mainstream of Society

The dominant or prevailing social, cultural, or political practices and norms within a society.

Repertoire

A collection or set of skills, performances, works, or techniques available to a person or organization.

Alternative Behaviors

Behaviors that are developed or encouraged as replacements for less desirable or unacceptable actions in specific contexts.

Aggressive-Protective Subsystem

A concept in nursing and psychology referring to behaviors and mechanisms used by individuals to protect themselves from perceived threats or harm.