Plutonium Is Not Found in Any Appreciable Amounts in Natural

question 107

Multiple Choice

Plutonium is not found in any appreciable amounts in natural ore deposits because it

• A) is artificially created.
• B) has a short half life.
• C) is a gas at room temperature.
• D) is chemically inert.
• E) none of these

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Definitions:

Measurement Consistency

How much a test tool provides uniform and steady outputs through time.

Twin Studies

A research method in psychology used to study the effects of genetics and environment by comparing the similarities and differences between identical and fraternal twins.

Adoption Studies

Research studies that compare adopted children to their biological and adoptive families to understand the relative influence of genetic and environmental factors on human development.

Heredity and Environment

The two major influences on human behavior and development; heredity relates to the genetic inheritance, and environment refers to the various external factors that impact one's life.