As the magnitude of natural disaster increases their frequency of occurrence _________.
A
Increases
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B
Decreases
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C
Remains same
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D
Varies over time
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Solution
The correct option is A Decreases
Magnitude is the amount of energy released by a disaster.
Frequency is the recurrence interval of the disaster. Impact is a function of
magnitude and frequency of disaster. The magnitude-frequency concept is
generally an inverse relationship between magnitude and frequency.