Fact 1: The movement of an air mass over Earth 's surface causes local weather changes.

Fact 2: Features of Earth Earth is a rocky world that is still very much alive and active.

Given the two facts above, answer the question "What does the movement of air mass over the world's surface cause?" with the following options: 
- Temperature
 - global warming
 - colder weather
 - local weather changes
 - Plant growth is reduced
 - earthquakes
 - no weather changes
 - constant clear weather


 

    local weather changes     