Never. It was just a theory that was varafied wrong.
Projection
i think its curved
a map
A plane.
A map is a flat drawing that shows all or parts of earth surface.
A map.
I think it's the crust, but I'm not completely sure.
Assuming you are referring to a representation of the earth then it would be a map.
its working
The Cenozoic era's surface was very bumpy and that when the Earth was flat. When the world started getting round Earths surface started getting flat, but that when there was a lot of earthquakes, which wiped out all the dinasours and made them exstinct.
i believe roughly 70% (not completely sure though) I'm not really sure, but something like 70% of the earths surface..
100