Lakes are formed by precipitation and runoff.
For example, lake tahoe is a huge lake originating from mountain stream runoff.
Lake tahoe originates from a mountain stream.
What does Lake Tahoe originate from?

  - hydrogen and oxygen
  - It's manmade
  - An ocean
  - tectonic plates coliding
  - A hurricane
  - A mountain stream
  - Water expanding
  - body water