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What gases were primarily released by volcanoes during the formation of the Earth's early atmosphere?

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MCQ

Type

practice

Style

Topic

The composition and evolution of the Earth's atmosphere

Exam-style question

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What gases were primarily released by volcanoes during the formation of the Earth's early atmosphere?.

  1. A.Oxygen, nitrogen, and methane
  2. B.Carbon dioxide, water vapour, and nitrogen
  3. C.Hydrogen, helium, and carbon monoxide
  4. D.Sulfur dioxide, ammonia, and argon

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