Of the two nuclear processes, fusion, fission, which one is used to generate commercial nuclear power? why is the other one not used?

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.

Ithink d would be correct

A

When the indian plate collided with eurasian plate because it was cool