Your enthusiasm is admirable. Your powers of reasoning are atrocious.
Also can I ask, when you make a thread, make it about one topic. IE ask one question. If you have two separate questions, make 2 threads.
Because the aircraft vapour trail question is so stupid it doesn't deserve a response, I'll answer the plate tectonic question and make the thread about that.
There are two schools of thought on this. The first is that continents do not move. This seems to be the most widely accepted theory. However I side with the view that the continents float on molten rock much as they do in RET and move around the surface in a similar fashion. I don't see how the earth being round is a prerequisite for plate tectonics. You only need solidified rock on top of molten rock. If a flat earth has a layer of molten rock in the middle, there is no issue.