Oxygen would be liberated continuously as autotrophs used sunlight and carbon dioxide to make food for themselves;
(Oxygen; would be liberated continuously; ) (autotrophs; used; sunlight and carbon dioxide; to make food for themselves) Context(autotrophs used,List([42, 57))):(autotrophs; used sunlight and carbon dioxide to make; food; for themselves)
autotrophs used,List([42, 57))
Oxygen autotrophs autotrophs
would be liberated continuously used used sunlight and carbon dioxide to make
sunlight and carbon dioxide to make food for themselves
food for themselves