Which of the following is not generally true of all the terrestrial world lithospheres?
A) The lithosphere is broken into a set of large plates that float upon the softer rock below.
B) Rock in the lithosphere is stronger than rock beneath it.
C) The lithosphere extends from somewhere in the mantle all the way to the surface.
D) The thickness of the lithosphere depends on interior temperature, with cooler interiors leading to thicker lithospheres.
Question 2
Evidence of liquid water in Mars' distant past suggests that it had a substantial atmosphere compared to what it has presently. What happened to its water vapor?
A) The carbon dioxide in its atmosphere dissolved in the water and combined with surface rocks.
B) Its atmosphere was mostly hydrogen and helium. Mars' gravity is too weak to hold them.
C) The water vapor has frozen out into the polar ice caps and permafrost as Mars has cooled.
D) Mars initially had such a large greenhouse effect that the atmosphere became quite hot and slowly escaped.
E) It has now all been lost in space, including the carbon dioxide and water vapor.
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