The most notable difference is that Naturalism focussed on creating realistic interpretations of reality with subtle, soft rendering as impressionistic paintings focussed on capturing a slightly more abstract interpretation of reality based on 'feeling' and artistic portrayal, often featuring visible brush strokes which was a controversial technique at the time of the movement.
The answer is “Rayographs”
hope this helps!
The Raft of the Medusa has a triangular composition, and the hand gestures, body movement and clothing movement all points up towards the top of the triangle, where people are raising a flag to be rescued from the sinking raft.