In an urban environment, up to what height can airflow disturbances occur?

Question

Question EASA Drone Quiz - Meteorology

QuizVDS · Accepted Answer

Yes

QuizVDS · Answer

Chain of errors

QuizVDS · Answer

Yes, but only after reaching the age of 18

QuizVDS · Answer

Yes, but only after registering the drone as professional on the CAA website

Id 416 - EASA Drone Quiz – Drone Pilot Certification - In an urban environment, up to what height can airflow disturbances occur?