Multiple Choice
The average age of the surface of Venus has been determined primarily from
A) the number of impact craters per unit area of surface.
B) the amount of weathering of lava flows imaged by the Magellan radar mapper.
C) soil analysis by Russian landers.
D) radio-isotope analysis of rocks brought back from Venus by space probes.
Correct Answer:
Verified
Correct Answer:
Verified
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