Perhaps evidence is the wrong word. A more apropriate word would be indication. Since the side of this community that the evidences were against would not accept it at evidence nomatter what. Human nature.
But as far as indication is concernd
* Of course i wouldn't care if we were talking about 1 or 2 deserts or mountaint shee shells. And yes everything was coverd with water according to the bible before the first life was created. And allso according to science.
But the shells we are talking about are not millions of years old. But only a few thousands acording to dating.
* The fact that there are so many very simmulair flood storys outside the bible shows that they may have had their orgin from a true event.
* The earth is still flodded. Infact to 70 percent =P
*If the temperature went down only 3 degrees then we would say goodbie to new york that would be sooked.
* Some sea depths are 12 kilometers down. If all thoose around the world would expand themself so they become even. The water could easily go up several kilometers. Along with other geologic movements.
* There has been more than one finding of some creature freezed in ize instantly. And it is not likely to believe that some of them come from the flood.