Why does the author mention the Flying Dutchman?___ A: as the basis of primitive navigation systems B: as an example of a commonly sighted phantom ship C: as the reason why many sailors have mental problems D: as an explanation for sightings of phantom ships

What does the professor mean where says this: A: Results are tragic when airplanes strike birds. B: Sightings of birds from aircraft are unusual. C: Airplanes do not frighten away most birds. D: There is little similarity between birds and jets.