Actually fossil grave yards NOT be explained by a world wide flood and coal is another form of fossils that can NOT be explained by the same flood. Actually coal is proof there was no world-wide flood. I'd explain but I'm still working on my time machine. I wonder what I'll find when I go to Israel 2000 years ago...but that doesnt explain how the ones that exist happened,,,and what about the fossil grave yards that can only be explained by a world wide flood,,,and coal is another form of fossils that can only be explained by the same flood