Multiple Choice
Recent data suggest that the most important contribution to the thinning of the Martian atmosphere was probably
A) the photodissociation of water molecules by ultraviolet light in the atmosphere
B) the stripping of the atmosphere by solar wind particles from the Sun as its magnetic field weakened
C) the consumption of carbon dioxide by photosynthetic bacteria
D) atmospheric gases being blasted into space by large impacts
Correct Answer:

Verified
Correct Answer:
Verified
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