Lakes are formed by precipitation and runoff, and alake is a body of standing water (not moving that is). Given these facts, what is formed by precipitation and runoff among the following options:
- a body of standing water
 - barrel-shaped
 - Calcium carbonate
 - storing water
 - near the shoreline
 - A solid geometric shape
 - Something made from fermented ricce
 - swamp vegetation


 

 a body of standing water        