Polynesia Island was the most recently settled
Volcanoes and Mid-Ocean Ridges are kinds of geologic features form at subduction zones.
1. Galaxies seem to be moving away from us which can support Big Bang Theory.
2. The abundance of Helium and Hydrodgen also support the Big Bang theory!
Personlly I do not believe in the big bang theory but if you need more reasons please comment! :-)
The answer would be : <span>volcanism.
Hope this helps !
Photon</span>
