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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
How is the existence of Earth's unique atmosphere explained?
A) Ultraviolet radiation from the Sun freed the hydrogen, allowing it to escape.
B) As Earth cooled, water vapor fell out of the atmosphere to form the oceans.
C) The oxygen in Earth's atmosphere is a result of early life on Earth.
D) When Earth formed, its atmosphere formed from the gases most common in the early solar system.
E) Volcanic gases containing nitrogen were outgassed from Earth's interior.
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
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#3
8 years ago
Cool Smiling Face with Open Mouth
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