You are presented with the quiz "Photosynthesis is when what converts from carbon dioxide, water and solar energy into carbohydrates?" 

But you don't know the answer, so you turn to your teacher to ask for hints. He says that "photosynthesis means producers convert from carbon dioxide, water, and solar energy into carbohydrates for themselves" and "green plants are producers ". 

So, what's the best answer to the question?


 

 plants          