You are presented with the question "What is found in that that gives plants a green color?" and the following answer choices: 
- Energy
 - sunlight
 - acetic acid
 - Energy.
 - Solar energy
 - water vapor
 - Light
 - nitrogen

Now knowing that nitrogen is found in proteins, nucleic acids, and chlorophyll and chlorophyll gives plants a green color, choose the best answer.


 

        nitrogen 