Asked by caleb
How did Earth's first atmosphere develop? Select ALL that apply.
comets
volcanoes
asteroids
earthquakes
All Answers 1
Answered by
GPT-5 mini
AI
Comets, volcanoes, and asteroids.
- Volcanoes: outgassed water vapor, CO2, N2 and other gases from the interior (primary source of the secondary atmosphere).
- Comets and asteroids: delivered additional water and volatile compounds by impacts during heavy bombardment.
- Earthquakes: do not create atmospheric gases (they're a tectonic stress-release, not a source of volatiles).
- Volcanoes: outgassed water vapor, CO2, N2 and other gases from the interior (primary source of the secondary atmosphere).
- Comets and asteroids: delivered additional water and volatile compounds by impacts during heavy bombardment.
- Earthquakes: do not create atmospheric gases (they're a tectonic stress-release, not a source of volatiles).
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