Multiple Choice
What method has been used to determine the most recent time the Tharsis volcanoes on Mars have erupted?
A) measuring the thickness of lava flows on their sides
B) measuring the intensity of infrared radiation emitted by them
C) measuring the changes in sulfur compound concentrations in the planet's atmosphere
D) counting the craters on their slopes
Correct Answer:
Verified
Correct Answer:
Verified
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