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drwalkinboner drwalkinboner
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Mars has sufficient mass and a low enough temperature that water molecules could exist in its atmosphere as vapour. Why does the atmosphere of Mars contain little or no water vapour?



Mars formed in a part of the solar nebula that lacked oxygen.



Mars formed in a part of the solar nebula that lacked hydrogen.



Ultraviolet radiation breaks water molecules into less massive particles that can escape.



Water molecules combine readily with chlorine to form hydrochloric acid.

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ASTRO

ASTRO


Edition: 3rd
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alpha987alpha987
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