Splitting of uranium atoms to release their stored energy
edg

This would be called Nuclear Fission

Explanation:

Not sure what exactly you're asking but I think this should answer your question.

i'm sure the answer you are looking for would be

a. an ice age

hope this contact me if this didn't or you need with more answers : )

answercharacteristics of place include things like economic activity, architecture,and culture,all of which are human elements that alter or can be influenced by the environment;