What was the composition of the earth’s atmosphere at the time of the origin of life, and how did it differ from the atmosphere of today?
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What was the composition of the earth’s atmosphere at the time of the origin of life, and how did it differ from the atmosphere of today?
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Answer:
Before life began on the planet, Earth's atmosphere was largely made up of nitrogen and carbon dioxide gases. After photosynthesizing organisms multiplied on Earth's surface and in the oceans, much of the carbon dioxide was replaced with oxygen.
Explanation:
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