[Supperman]

Originally Posted by dogsbody70

the paddle of a kayak can be double bladed. still only one paddle for each person. A blade at each end of the paddle--not two paddles for each person.

Here is a website that explains clearly.

What's the difference between a canoe and a kayak? - Yahoo! UK & Ireland Answers

Thanks again.

I read the best answer, but the language barrier made me unable to understand the difference. I believe it explains clearly, because you said so.
BUT it is not simple, isn't it?

I will read it repeatedly until it becomes clear.