How Many Minerals Have Been Identified as Essential

question 85

Multiple Choice

How many minerals have been identified as essential?

• A)9
• B)15
• C)21
• D)27

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Definitions:

Laws

Formal rules and regulations, established by legislative bodies or by custom, which govern behavior and are enforceable by penalties.

Rules

Established guidelines or principles governing conduct or procedure within a particular area or activity.

Constitutional Democracy

A Constitutional Democracy is a form of government in which the powers of the majority are limited by a constitution that protects the rights and freedoms of individuals and minority groups.

Population

The total number of people or inhabitants in a specific area or region.