Fact 1: Flowing water can slowly dissolve carbon in sedimentary rock.

Fact 2: Limestone is a type of sedimentary rock.

Given the two facts above, answer the question "Flowing water from a mountain can dissolve carbon in what kind of rock?" with the following options: 
- magma
 - loose soil
 - loose dirt
 - precipitation
 - pumice
 - limestone
 - wind and rain
 - andesite


 

      limestone   