A Rock or Mineral Becomes a Closed System When It

question 28

Multiple Choice

A rock or mineral becomes a closed system when it completely cools and crystallizes. Which rock type would become a closed system most rapidly?

• A) Basalt.
• B) Gneiss.
• C) Schist.
• D) Granite.

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Definitions:

Local Merchant

An individual or business that sells goods or services within a particular local area or community.

Bargaining Unit

A group of employees with a clear and identifiable community of interests who are represented by a single labor union in bargaining and negotiations.

Certification

An official recognition or guarantee that an individual, product, or organization meets certain standards or qualifications.

Lawful Strike

A work stoppage by unionized workers that is legally permitted and adheres to labor laws.