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

Fact 2: Mountains make their own weather by forcing incoming air masses upward as they strike the mountains.

Given the two facts above, answer the question "Which of the following could cause local weather changes?" with the following options: 
- Movement
 - Winter
 - Mountains
 - flooding
 - Temperature
 - Sports reporters
 - Weather vanes
 - Meteorologists


 

   Mountains      