Agricultural flights including crop dusting, Banner towing, Aerial firefighting Medical evacuation Pilot training Search and rescue . Sightseeing flights, Skydiving flights, Organ transpiant transport flights are part of Commercial aviation b. Aerial work c. Military aviation d. Civil aviation to heria warfare

The correct answer is b. Aerial work. Agricultural flights, including crop dusting and aerial firefighting, as well as banner towing, medical evacuation, pilot training, search and rescue, sightseeing flights, skydiving flights, and organ transplant transport flights, are all considered aerial work. Aerial work refers to the use of aircraft for purposes other than transportation of passengers or cargo, such as agricultural activities, firefighting, medical evacuation, and search and rescue operations.