If alake is formed by the water cycle, then what are some of the steps that forms a lake?

Answer choices:
- decomposition and respiration
 - storing water
 - photosynthesis and solar energy
 - near the shoreline
 - precipitation and run-off
 - perspiration and excretion
 - The area was once underwater
 - At the peak of a mountain

 

     precipitation and run-off     