Fact 1: Asolution is formed by one substance being dissolved in another substance.

Fact 2: White vinegar is a 5 percent acetic acid solution.

Given the two facts above, answer the question "What is formed by one substance being dissolved in another substance?" with the following options: 
- patch reefs
 - hydrogen and oxygen
 - organic molecules
 - a hydraulic system
 - calcite
 - white vinegar
 - Calcium carbonate
 - salinity


 

      white vinegar   