You are presented with the question "What does almost all plant and animal life depend on?" and the following answer choices: 
- desert
 - disease
 - biological diversity
 - Sedimentary rock
 - absorb light energy
 - sunlight
 - ghosts
 - Chlorophyll

Now knowing that carbon may be stored in sedimentary rock for millions of years and carbon is an essential element for almost all plant and animal life, choose the best answer.


 

    Sedimentary rock     