You are presented with the question "What can be stored in sedimentary rock for millions of years?" and the following answer choices: 
- Chemical energy
 - fossil fuels
 - Energy
 - Coal sinks
 - bioaerosols
 - In sediment
 - Energy.
 - kinetic energy

Now knowing that carbon may be stored in sedimentary rock for millions of years and carbon sinks are storage areas for carbon, choose the best answer.


 

    Coal sinks     