Which of these cities are located on water transportation roadways? A. Seoul and New York but not Chicago
B. New York and Chicago but not Seoul
C. Seoul, Chicago, and New York
D. Seoul and Chicago but not New York

Probably north korea if your family has decided to use only nuclear power.

This is all you, but i can give you some topics that you could try. if it rained when you want to do something outdoors, it 'limits' that human activity. maybe you want to do an experiment that goes throughout the whole year and you have to have above freezing the entire year. this 'limits' your activity. i thought of those just off of the top of my head. something that gets to me that might be getting to you is you are thinking too hard about what to do. think simply, and if it is too simple, then bump it up just a little bit.

Answergoogle earth; i believe this is the correct answer, plz check first;