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Irina18 [472]
3 years ago
5

Please help really soon (I'm confused) :|

Chemistry
2 answers:
gladu [14]3 years ago
5 0
Nitrogen, and oxygen because they are in highest ratios
Yanka [14]3 years ago
4 0

Answer: carbon dioxide was replaced with oxygen

Explanation:Comparison of Earth's prebiotic and modern atmospheres. 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

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