Answers

2014-08-12T21:07:09+08:00
Advantage, Birds fly in the sky, disadvantage, when they fly over your head they drop doodoo on you! 

Advantage, sunny sky lets you tan, disadvantage, now it also gives you skin cancer. 

Advantage, sky is transparent so you can see the beautiful stars and galaxies! Disadvantage, sky is transparent so government spy satellites can spy on you. 

Is that 10 already? That was fun.
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