Final answer:
The scene depicted in the Annunciation Triptych from the Merode Altarpiece by Robert Campin is the angel Gabriel telling Mary she will be the mother of Jesus.
Step-by-step explanation:
The scene depicted in the Annunciation Triptych from the Merode Altarpiece by Robert Campin is the angel Gabriel telling Mary she will be the mother of Jesus. In this artwork, the angel Gabriel is shown approaching Mary to announce that she will conceive the Christ child through the Holy Spirit. This event is mentioned in Luke 1:26-38, and the Annunciation is a common subject in religious art during the Middle Ages and Renaissance.