The continents are shaped the way they are because of erosion.
They were once together in a form called Pangea look at a map all the continents fit together like a puzzle
red poo tyne tyne yellow poo
This is a result of continental drift, which moved the continents apart.
Because the continents move because of the continental drift
fossils continents look like puzzle pieces (which means coastlines match up) rock samples that's bout it...
The continents look like that because they use to be a SUPER-CONTINENT called PANGAEA.
the earths continents are the same ..
Like earth and islands.
The edges of some continents look as if they would fit together like pieces of a puzzle.
Have a look at this site http://thecontaminated.com/earth-at-night-continents/
Asia , i am guessing
Australia is the only one
they are the giant plates underneath all the continents
Bahrain and Australia
Antarctica and Australia
They were once together in a form called Pangea look at a map all the continents fit together like a puzzle
a bit like the continents now just closer and twisted