You are presented with the question "A plant requires _ for photosynthesis" and the following answer choices: 
- proteins
 - photons
 - Light
 - sun's heat
 - nutrients
 - mitochondria
 - sugar
 - plasma

Now knowing that aplant requires sunlight for photosynthesis and sunlight is composed of photons, or particles of solar energy, choose the best answer.


 

  photons       