Answer:
Drone will take 0.25 hectare per minute to scan the area.
Explanation:
By using unitary method,
A search and rescue drone takes 2 minutes to scan the area = 0.5 hectare.
Area scanned by the drone in 1 minute =
=
= 0.25 hectare per minute
Therefore, drone will take 0.25 hectare per minute to scan the area.