question: Given the fact "An example of protecting the environment is reducing the amount of waste", what is the answer to "What is an example of protecting the environment?"

answer: using water flow limiter

question: Given the fact "renewable resources can be used over again", what is the answer to "What can be used more than one time?"

answer: soda bottle

question: Given the fact "a human can pedal a bicycle", what is the answer to "Peddling a bicycle can be accomplished by"

answer: possessors of thumbs

question: Given the fact "if an organism makes food for itself then that organism does not need to eat other organisms", what is the answer to "if an organism makes food for itself then that organism needs to"

answer:
synthesize itsenergy