For a Rock to Be Considered an Ore, It Must

question 8

Multiple Choice

For a rock to be considered an ore, it must:

• A) contain either quartz or sulfide minerals
• B) contain enough of a commodity to be mined at a profit
• C) contain some copper or gold
• D) be shiny or otherwise noteworthy
• E) be located in a mine

---

Definitions:

Genetics

The branch of biology concerned with the study of genes, genetic variation, and heredity in organisms.

Environment

The surrounding conditions and factors that affect the living and non-living elements of an organism's or community's existence.

Adoption Studies

Research investigations focusing on the effects of heredity and environment by comparing adopted children to their biological and adoptive parents.

Attributes

Characteristics or qualities that define or identify an individual, object, or concept.