Lakes are formed by precipitation and runoff, and for example, Lake Tahoe is a huge lake originating from mountain stream runoff. Given these facts, what does Lake Tahoe originate from among the following options:
- hydrogen and oxygen
 - It's manmade
 - An ocean
 - tectonic plates coliding
 - A hurricane
 - A mountain stream
 - Water expanding
 - body water


 

      A mountain stream   