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hermiz hermiz
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7 years ago
The minimum size that makes it possible for a planetary surface to remain habitable over long time periods is a size that allows
A) plate tectonics to be present
B) a magnetic field to be present
C) an atmosphere to be present
D) hot spot volcanism to be present
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
Authors:
Read 78 times
1 Reply
Life in the Universe, 4/E (Bennett, Shostak)
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19Clyde19Clyde
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7 years ago
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