Answer:
The answer is I ,II and III
I think it’s the third answer
I hope that helped
The theory developed by Wegener that the continents of the Earth were once a part of a single big super-continent is based on his observations that these continents fir together as a part of the jig-saw puzzle. And these observed continents have similar flora and fauna along with similar rock formations. Such a derivation of theory from observations is an inductive reasoning.
Hence, the answer is 'inductive reasoning'.