is not only knowing stuff, but it is also admitting what you don't know.
Your ability to admit your inexperience in the geology field is a good sign of intelligence. But now, lets not have this inexperience prevent you from knowing some reality regarding geology.
First, let me remark on your question regarding the coral that is found underneath lots of rock in Ohio. First off, I didn't agree with your suggestion as to an ocean or sea once being over Ohio. I confirmed it. Big difference. So let us understand that the idea there was an ocean or sea over Ohio as fact and not as presumption.
You ask as to the tilt of the earth's axis at 0. I'm assuming you mean at time 0. This is an interesting suggestion, however, it has a serious flaw when regarding this as an explanation for a young earth and a flood. While a 0 degree tilt would lead to a more moderate yearly climate and presumably coral for tropical seas further north of the equator, it disregards one problem. This same coral strata is exposed at the surface in the cliffs of Bruce Pennisula in between Georgian Bay and Lake Huron. I will look some of that up for you.
If a global flood placed a bunch of sedimentary rock down, why is that coral exposed in Ontario, Canada and not in Ohio? If you believe that the flood laid down all the sedimentary rock, then this is a serious issue you need to resolve. Well that, and the fact that the Canadian Shield is virtually granite at the surface. Why isn't that sedimentary rock?
I'll go into more details later.