Multiple Choice
Which of these does NOT describe an argument in favor of the presence of active volcanoes on Venus at the present time?
A) There has been confirmed observation of lightning in Venus's atmosphere.
B) There has been confirmed observation of hot spots in rift valleys on Venus's surface.
C) There has been confirmed observation of natural radioactivity on Venus's surface.
D) There has been confirmed observation of short-lived sulfur compounds in Venus's atmosphere.
Correct Answer:

Verified
Correct Answer:
Verified
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