Riddle #4

Alone I am 24th, with a friend I am 20. Another friend and I am unclean. What am I?

You bury me when I am alive, and dig me up when I die. What am I?

Look at me. I can bring a smile to your face, a tear to your eye, or even a thought to your mind. But, I can't be seen. What am I?

I have more than 80 keys, but I cannot open any lock. What Am I?

What word in the English language does the following: the first two letters signify a male, the first three letters signify a female, the first four letters signify a great man, the first six letters signify a drug, while the entire world signifies a great woman. What is the word?

What gets wet while it's drying?

I travel all over the world. But I could not move, just stay in a same single spot. What Am I?

When it comes to me, you go on red and stops on green. What am I?

Its ready to walk when I'm all tied up, but really should stop when I'm untied. What am I?

I travel all over the world, but always stay in my corner. What am I?

I go around all the places, cities, towns and villages, but never come inside. What am I?