You are presented with the question "What can slowly dissolve carbon in sedimentary rock?" and the following answer choices: 
- hydrocarbons
 - acetic acid
 - precipitation
 - evaporation
 - rivers and streams
 - puddles
 - ponds
 - nitrogen

Now knowing that flowing water can slowly dissolve carbon in sedimentary rock and rivers and streams are bodies of fresh, flowing water, choose the best answer.


 

     rivers and streams    