Answer:
Its when unnatural things, turn natural things irregularly hot or cold.
I believe its the Rhine-Main-Danube Canal. Hope that helps!
I'm NOT 100% sure about this answer but I think it's the Lines of Longitude
Moosehead Lake. ...
Sebago Lake. ...
Chesuncook Lake. ...
Mooselookmeguntic Lake. ...
East Grand Lake.
I am almost positive that the answer is A. freezing