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Q: Wind vane instrument is determines ____
  • A. relative Humidity
  • B. Wind speed
  • C. Heat
  • D. Direction of wind
Correct Answer: Option D - Wind vane is used to find the direction of winds, it is usually installed
D. Wind vane is used to find the direction of winds, it is usually installed

Explanations:

Wind vane is used to find the direction of winds, it is usually installed