If asolution is formed by a solid, liquid, or gas being dissolved in another solid, liquid, or gas, then asolution is formed when one of these gets dissolved into another one of these?

Answer choices:
- Calcium carbonate
 - Condensation
 - near the shoreline
 - solid, liquid, gas
 - a hydraulic system
 - evaporation
 - Light passing through water
 - chemical changes

 

    solid, liquid, gas      