You Look Through an Old Photographic Slide-Viewer Toy, Which Creates

Multiple Choice

You look through an old photographic slide-viewer toy, which creates the impression of seeing a three-dimensional scene by one photograph of the scene being displayed to one eye and a slightly different view of this scene being presented to the other eye. When these two images are fused into one overall image, which of the following occurs?

A) the motion parallax
B) stereoscopic vision
C) an aerial perspective
D) visual assimilation