You are presented with the question "What does the movement of air mass over the world's surface cause?" and the following answer choices: 
- Temperature
 - global warming
 - colder weather
 - local weather changes
 - Plant growth is reduced
 - earthquakes
 - no weather changes
 - constant clear weather

Now knowing that the movement of an air mass over Earth 's surface causes local weather changes and features of Earth Earth is a rocky world that is still very much alive and active, choose the best answer.


 

    local weather changes     