Answer:
Sometimes I fly as fast as the speed of light. Sometime I crawl as slow as a snail. Unknown until I am measured but you will certainly miss me when Iβm gone.
What do you call a boomerang that doesnβt come back?
I walk on 4 legs in the morning, 2 legs at noon, and 3 legs at night. What am I?
I have 4 wings but cannot fly. I never laugh and never cry. On the same spot I'm always found toiling away with little sound. What am I?
The more of me there is the less you see.
What language does a billboard speak?