How Smart are you (riddles

Try out these riddles......see if u cn get 100%

1 A Man walks into a bar and asks for a glass of water,The bartender pulls out his shotgun,points it at the man...the man says thankyou and leaves....why?
2 A mans walking along in the mud..Its raining heavily...he turns around and sees no footprints...why?
3 How far can a dog run into the woods?
4 This word has seven letters...It preceded god...Its Greater then god...Poor people have it...Rich people want it...and if u eat it you will die...what is it?
5 something very extraordinary happened on the 5th of june 1978 at exactly 12:34 what was it
6 A guy is living on the 20th floor...every morning he rides the elevator to the bottom (1st) floor...but in the evenings he would only ride the elevator to the eighth floor then climb the stairs to the 20th floor...Why doesnt he take the elevator all the way up to the 20th floor?