There are four states in the U.S. that begin with "I": lowa, Illinois, Idaho, and Indiana
I'm pretty sure they would show B. Death rates. Hope this helps!
1- The northern hemisphere is in either summer or spring, and the southern is in winter or fall.
I would say that the Rocky Mts were the youngest of all these mountain ranges as they were created between 80-55 million years ago during the Laramide Orogeny and also they are generally much taller than the other mountain ranges mentioned here which is a characteristic of young mountain ranges and their features are sharper as they haven't been eroded the way most of these others have so have been subject to erosion for less time than the others.
I'd say D, as we don't affect the earth as we get more of it.
