______ is a device to measure the speed of the wind.
A
Barometer
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B
Micrometer
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C
Wind vane
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D
Anemometer
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Solution
The correct option is D Anemometer Air moves from the region of high pressure to the region of low pressure. And this moving air is called wind. An Anemometer is a device used to measure the speed of the wind. The unit of measurement is kilometre per hour. Another device called the “wind vane” tells the direction of the wind.