Evidence for the Great Flood

Evidence for the great flood?Quick flood burial would be the only way that so many dinosaurs and other things could have been fossilized in rock that way scientists have found them. The saltwater shells found in the black sea date back to 6500 years, while the freshwater shells date to 7000 years and older. Thus, we know that there was a sudden and dramatic change from a freshwater lake to a salt water sea 7000 years ago.Doing a report on evidence for the great flood. Update yall if I get any more info.peeberoni