definitely (a)
it shows how caring Blanca Flor is to Juanito
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.
Answer:
It helps with the detail aspect to the art
Explanation: