Fact 1: Unequal heating of Earth 's surface by the Sun causes global wind patterns.

Fact 2: Large cyclonic systems influence the wind patterns of the middle latitudes.

Given the two facts above, answer the question "unequal heating of Earth 's surface by the Sun causes Large cyclonic systems where" with the following options: 
- deserts
 - Temperature
 - global warming
 - over mountains
 - flow of electrons
 - rain or sun shine
 - middle latitudes
 - russia


 

       middle latitudes  