You are presented with the quiz "Photosynthesis converts solar energy into what for themselves?" 

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 "photosynthetic plants convert solar energy to chemical bond energy in carbohydrates". 

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


 

      chemical bond energy     