The correct answer would be simple details. A compare and contrast essay should not identify simple details. You do not need to identify simplistic details in a compare and contrast essay unless these details convey a deeper meaning. Simple details are just very simple and easily understood and need not to be compared with anything. Such as "dogs and cats are animals".
An aspect of the National Geographic video that is unique to video is that viewers can watch the effects of the wind and water as they listen to the narrator.
