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Question
The instrument that grades the earthquakes on the basis of observed effects on a 12-point scale.
Options
Thermometer
Seismograph
Richter scale
Mercalli scale
MCQ
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Solution
Mercalli scale
Explanation:
The Mercalli scale grades earthquakes based on their observed effects and damage on a 12-point scale. Unlike the Richter scale, which measures energy released, the Mercalli scale describes what people feel and see during an earthquake.
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