Short tricky riddles

Tommy Tucker took two strings and tied two turtles to two tall trees. How many T’s in that?

Why was Karl Marx buried at Highgate Cemetery in London?

If you had one match and entered a room in which there were a kerosene lamp, an oil burner, and a wood burning stove, which would you light first?

If you were swimming in the ocean and a big alligator attacked you, what should you do?

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place.

What starts with a 't' ends with a 't' and is full of 't' ?

What kind of dog has a bark but no bite?

Can a man legally marry his widow's sister in the state of California?

There is bomb on top of a computer; around the computer are a hairbrush, keys, phone and a cup. When the explosion comes, what item destroyed first?

Imagine you are in a sinking rowboat surrounded by sharks. How would you survive?