An Aurora (Shown Below)is Produced When ____________

question 6

Multiple Choice

An aurora (shown below) is produced when ____________.

• A)solar wind particles are directed toward the poles and excite atmospheric gases
• B)swamp gases rise upward from the arctic tundra
• C)radiation in the Van Allen belts can be seen on a clear,cold night
• D)lightning travels from cloud to cloud rather than cloud to ground

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Definitions:

Union Of Events

A set theory term that represents the set of all elements that are a member of any of a collection of two or more events.

Symbol

A sign or object used to represent an idea, concept, or entity.

Bayesian Theorem

A formula that describes the probability of an event, based on prior knowledge of conditions that might be related to the event.

Posterior Probabilities

Revised probabilities of events based on additional information.