When Gary Observes the Moon Closer to the Horizon, It

Multiple Choice

When Gary observes the moon closer to the horizon, it appears to be huge. However, when the moon is further away from the horizon, it appears to shrink in size. Of course, Gary is aware that the size of the moon does not actually change, but the phenomenon being observed is due to ________.

A) a monocular depth cue
B) stereopsis
C) convergence
D) a binocular depth cue