Final answer:
Tenebroso is a technique used by Caravaggio in his paintings that creates a dramatic effect through the use of contrasting light and dark areas.
Step-by-step explanation:
The use of tenebroso in this painting by Caravaggio creates a dramatic effect by contrasting light and darkness. The technique involves a sharp contrast between illuminated areas and deep shadows, which creates a sense of depth and intensity. In this particular work, tenebroso enhances the emotional impact and adds a sense of mystery to the scene, emphasizing the main subject and creating a dynamic composition.
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