You are presented with the question "what do lawns eat?" and the following answer choices: 
- hydrate their cells
 - density
 - weathering
 - organic matter
 - By wind and rain
 - Something made from fermented ricce
 - proteins and nucleic acids
 - plastic

Now knowing that nitrogen is found in proteins, nucleic acids, and chlorophyll and lawns eat nitrogen, choose the best answer.


 

       proteins and nucleic acids  