Answer:
Honestly, I think that all of them are equally important, they all have things about them that make them important and they all play a role in the survival of humanity and other organisms! So if u can put all of them, I think it would be the right answer!
1. Solar energy, wind energy, bio-fuels
2. Coal, natural gases, steel
This is true, Columbus came to the new world in 1492, and from then on, more people migrated to the new world.
