51313 Harbor Street: Riddle 8

Monday, January 28, 2013

The more of this there is, the less we can see it. What is it?

Answer in comments if you can.

lori w. said...: Fog; Sat Feb 16, 06:19:00 PM CST
SBB said...: Not the correct answer, Lori, but good guess!; Sat Feb 16, 06:20:00 PM CST
Todd said...: darkness; Thu Feb 21, 09:02:00 PM CST
SBB said...: Correct, Todd! Good job!; Thu Feb 21, 09:21:00 PM CST