You are presented with the question "What inhibits a plant to grow?" and the following answer choices: 
- viruses
 - hypothyroidism
 - hexazinone
 - Dehydration
 - cigarettes
 - salinity
 - Smoking
 - hyperthyroidism

Now knowing that aplant requires photosynthesis to grow and hexazinone inhibits photosynthesis, choose the best answer.


 

   hexazinone      