Which of the Following Events Have Caused Extensive Power Outages

question 23

Multiple Choice

Which of the following events have caused extensive power outages on Earth?

• A) coronal mass ejections
• B) meteor strikes
• C) gamma ray bursts
• D) supernovae

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Definitions:

False Alarm

An erroneous alert or notification indicating the presence of a threat or condition that in reality does not exist.

Miss

To fail to hit, reach, catch, or otherwise make contact with something; also used to express a feeling of loss or absence.

Signal-detection Theory

A framework for understanding how individuals discern between important stimuli and background noise under conditions of uncertainty.

Hit

In the context of memory recall, a correct identification or recognition of a previously encountered stimulus.