A. It preserves the acids that help retain the color.
I think this is the answer. The Pilgrimage of Cythera in Rococo style is a fantasy island seclusion of love setting, the birthplace of Venus. Some say is where lovers try to settle themselves to their home.
I believe that painting focuses on couples and relationships and their ideal place to cherish their love for each other.
1. C
2. D
3. A
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The flower.
Background means back, and foreground means front :)