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What is a stromatolites role in establishing an aerobic atmosphere?
Wiki User
∙ 15y ago
as stromatolite colonies expanded they released more oxygen, raising the level to 20%, allowing air-breathing life-forms to evolve.
Wiki User
∙ 15y ago
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What is the role of youth in establishing unity in a multicultural society?
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What is the role of the youth in establishing diversified multicultural society?
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What is role of the ozone in the atmosphere?
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What role is the ozone in the atmosphere?
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Does your parent play an important role in establishing who you are?
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