How is it possible that the surface of Venus is resurfaced periodically without large-scale tectonic plate motion? Three of the following are proposed answers to this question and EXCEPT ONE.Which is the exception?
A) Radioactive heating forces mantle convection without large scale plate motion.
B) Heating causes cracking of the surface, and magma is able to force its way to the surface.
C) The heat of the mantle melts sections of the crust periodically.
D) Shock waves from the collision that tipped Venus over on its axis are still reverberating inside and periodically break through the surface.
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