Early in Earth history, the Sun was less luminous, which should have caused Earth to be much colder and all water to be frozen. Yet all evidence points to the presence of liquid water on Earth. Give two explanations that could resolve the "faint young sun paradox."

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The Answer of Early in Earth history, the Sun was less luminous, which should have caused Earth to be much colder and all water to be frozen. Yet all evidence points to the presence of liquid water on Earth. Give two explanations that could resolve the "faint young sun paradox."

Early in Earth History, the Sun Was Less Luminous, Which