Correct Answer:
Option D - An anemometer is an instrument that measures wind speed and wind pressure and power. Anemometers are important tools for meteorologists, who study weather patterns. The anemometer counts the number of rotations, or turns, which is used to calculate wind speed. It is also a common weather station instruments.
D. An anemometer is an instrument that measures wind speed and wind pressure and power. Anemometers are important tools for meteorologists, who study weather patterns. The anemometer counts the number of rotations, or turns, which is used to calculate wind speed. It is also a common weather station instruments.