You are presented with the question "What is formed by one substance being dissolved in another substance?" and the following answer choices: 
- patch reefs
 - hydrogen and oxygen
 - organic molecules
 - a hydraulic system
 - calcite
 - white vinegar
 - Calcium carbonate
 - salinity

Now knowing that asolution is formed by one substance being dissolved in another substance and white vinegar is a 5 percent acetic acid solution, choose the best answer.


 

      white vinegar   