A. Secchi disc
B. wind vane
C. anaenometer
D. slope guage
Correct Answer:
Option B – wind vane
Explanation
Wind direction is usually measured using a wind vane.
A. Secchi disc
B. wind vane
C. anaenometer
D. slope guage
Correct Answer:
Option B – wind vane
Explanation
Wind direction is usually measured using a wind vane.
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