A Radioactive Isotope Is

question 65

Multiple Choice

A radioactive isotope is

• A) an unstable nucleus that gives off radio waves
• B) a nucleus that formed from the fusion of two other nuclei
• C) a stable nucleus that is formed from the fission of a large unstable nucleus
• D) an unstable nucleus that spontaneously decays to produce high-energy particles and radiation

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Definitions:

Opportunity Cost

The cost of foregoing the next best alternative when making a decision or choosing between two or more options.

Truck

A motor vehicle designed to transport cargo, with various types and sizes for different load capacities.

Car

A wheeled motor vehicle used for transportation, typically carrying a few passengers.

Opportunity Cost

The cost of forgone alternatives, or the benefits that could have been received by choosing the next best alternative.