15 degrees (1 degree every 4 minutes)
Salt Lake City, Utah is located in a warm desert like area where there are little to no bodies of water for evaporation. New York City however, is located right on the east coast next to an ocean which allows for water to evaporate and fall over New York more than in Utah. This is also why New York gets more snow in the winter. This is known as the lake effect.
I would say Carbon, Hydrogen and Oxygen.
Answer:
These areas had the most resources.
Explanation:
When you are settled by rivers, you have the sources you need to grow crops, raise life such as cows, pig, chicken. Not only this but you also have a place to bath, collect drinking water, and wash clothing. Life thrives more on river sides rather than inland during these times as they did not have all the tech we do today.