Which of the following is the low-altitude ra2nge where drones can work?
A. 2000 m
B. 100 m
C. 1000 m
D. 60 m
Answer:C
Which of the following is the low-altitude ra2nge where drones can work?
A. 2000 m B. 100 m C. 1000 m D. 60 m