Fact 1: Precipitation falls on the windward side of the mountain range.

Fact 2: Rain is also known as precipitation.

Given the two facts above, answer the question "what falls on the windward side of the mountain range?" with the following options: 
- density
 - west
 - signs of life
 - rain
 - waves
 - Vapor
 - Inches
 - snow


 

    rain     