CYA test is pretty subjective, isn't it?

[geoeremite]

What do you considered "disappeared"?

This is the question I still wonder about. Which of the following have "just disappeared"? (Click on the photo to get a larger copy.}


Empty, 50, 40, 30, 20

What do you think?

cheers,
Scott

(I'll leave the picture up as reference if we come to consensus.}