question: What do eyes require?
choices.text: a form of oxygen Light shining into it Exposure to oxygen and water A dark environment Contact lenses melanin amount tissue made of chondrocytes Glasses
choices.label: A B C D E F G H
fact2: Sight is the mere ability to see, and the eye's responses to light shining into it.
combinedfact: Eyes require light shining into it
formatted_question: What do eyes require? (A) a form of oxygen (B) Light shining into it (C) Exposure to oxygen and water (D) A dark environment (E) Contact lenses (F) melanin amount (G) tissue made of chondrocytes (H) Glasses