When can an aircraft be defined as statically stable?

Question

Question EASA Drone Quiz - Flight performance and planning

QuizVDS · Accepted Answer

Decreases with increasing altitude by 1 hpa per 8 meters

QuizVDS · Answer

Is constant throughout the layer

QuizVDS · Answer

Remains unchanged at 1,013 hectopascals

QuizVDS · Answer

The wings are rotating

Id 51 - EASA Drone Quiz – Drone Pilot Certification - When can an aircraft be defined as statically stable?