instruction:
Write a correct answer to the given question based on its associated fact. Make sure that your answer is contained in the associated fact. Don't be creative and introduce any new word that is not mentioned in the associated fact! Remember that the associated fact has been rearranged to form the question. So, the correct answer words must lie within the associated fact. The correct answer can be a word, phrase, or even a sentence.
question:
Fact: When you reuse products you reduce the resources but also protect the environment. 
Question: When you reuse products you reduce resources but also protect the?
answer:
Environment.


question:
Fact: green plants convert carbon dioxide, water, and solar energy into carbohydrates for themselves. 
Question: green plants convert water, solar energy, and carbon dioxide into what?
answer:
carbohydrates.


question:
Fact: Operating automobiles usually requires a fuel which is not sustainable. 
Question: In order to operate an automobile, a fuel is required which is not what?
answer:

sustainable.