In Fusion, what is the difference between a Merge and a Join3D/Join node when compositing 2D/3D elements?

• A. Merge combines inputs in 3D space.
• B. Join3D/Join handles 2D composites.
• C. Merge combines inputs in 2D space; Join3D/Join nodes handle 3D geometry and compose within a 3D scene.
• D. There is no difference.

Answer: (C)