You are presented with the quiz "Where do producers convert 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 "chloroplasts are the site of photosynthesis in plants only". 

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


 

      the chloroplasts     