You are presented with the question "What are lakes formed by?" and the following answer choices: 
- ice wedging
 - hot and cold
 - rain and runoff
 - Condensation
 - rice and beans
 - Physical weathering
 - flooding
 - ice and sun

Now knowing that lakes are formed by precipitation and runoff and rain is also known as precipitation, choose the best answer.


 

   rain and runoff      