WHY IS IT

How come wrong numbers are never busy?
Why doesn't Tarzan have a beard?
Why is it called lipstick if you still move you lips?
Why is it that night falls but day breaks? Why is the third hand on the watch called a second hand?
Why is lemon juice made with artificial flavor, and dishwashing liquid made with real lemons?
Are part-time band leaders semi-conductors?
Do pilots take crash-courses?
Do stars clean themselves with meteor showers?
Have you ever seen a toad on a toadstool? How do you get off a non-stop flight?
How do you write zero in Roman numerals?
If athletes get athlete's foot, do astronauts get mistletoe?
Why is the time of day with the slowest traffic called rush hour?