[h2odragon]

Why do you need to prove them wrong? Have they given you doubt the world is round?

https://physics.stackexchange.com/questions/26427/what-is-th...

[shyn3]

Yes because it's in the Bible. And Quran. And Torah.

Have to convert the radicals.

One argument is when the plane lands why doesn't it curve. Another is why can we see over 1500km with a telescope.