You are presented with the question "Flowing water from a mountain can dissolve carbon in what kind of rock?" and the following answer choices: 
- magma
 - loose soil
 - loose dirt
 - precipitation
 - pumice
 - limestone
 - wind and rain
 - andesite

Now knowing that flowing water can slowly dissolve carbon in sedimentary rock and limestone is a type of sedimentary rock, choose the best answer.


 

      limestone   