What is the Beaufort scale used to measure?
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Intensity of Volcanoes
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Wind Speed
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Buoyancy of an object
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Blood pressure
B
Correct answer
Explanation
The Beaufort scale measures wind speed based on visual observation of conditions at sea or on land. It ranges from 0 (calm) to 12 (hurricane force). Developed by Francis Beaufort in 1805, it helps mariners and meteorologists communicate wind conditions consistently.