Multiple Choice
The unstable chemicals dissolved in the Martian regolith suggest that the amount of ultraviolet radiation reaching the surface of Mars is much greater than the amount reaching the surface of Earth. The Martian atmosphere lacks which constituent in sufficient quantities to absorb incoming ultraviolet radiation?
A) Oxygen
B) Ozone
C) carbon dioxide
D) Nitrogen
Correct Answer:

Verified
Correct Answer:
Verified
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