You are presented with the question "What does a plant require for its growth?" and the following answer choices: 
- deoxyribonucleic acid
 - hydrogen and oxygen
 - Organic compounds
 - Electrical energy
 - heat energy
 - sunlight
 - Energy.
 - Carbon dioxide

Now knowing that aplant requires nutrients to grow and carbon dioxide is a plant nutrient, choose the best answer.


 

        Carbon dioxide 