How Is It Possible That the Surface of Venus Is

question 556

Multiple Choice

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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Definitions:

Comorbid Diagnoses

The presence of two or more disorders or illnesses in the same person, simultaneously or sequentially.

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The level of cognitive, social, and occupational function before the onset of a disorder or disease.

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An assessment of an individual's ability to perform daily activities and fulfill social roles.

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The beginning or initial manifestation of a disorder's symptoms.