Fun Riddles

Question: Why can't Kevin, who is now living in Canada, not be buried in the USA?

Question: A thousand wheels, but move I do not.
Call me what I am, call me a lot.

What am I?

Question:

The dirtier I am, the whiter I get,
Leave a mark on me when you stand, I'll leave a mark on you when you sit.

What am I?

Question: How can you make a TV, a bed, a dog, and a car liquid?

Question: There are 100 coins scattered in a dark room. 90 have heads facing up and 10 are facing tails up. You cannot tell which coins are which. How do you sort the coins into two piles that contain the same number of tails up coins?