Fact 1: Lakes are formed by precipitation and runoff.

Fact 2: Snowmelt runoff is a significant source of annual runoff.

Given the two facts above, answer the question "Snowmelt can help form what?" with the following options: 
- calories
 - lakes
 - rivers
 - sunlight
 - streams
 - moonlight
 - soils
 - erosion


 

  lakes       