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← GeographyWhich outcome predominates when a continental plate subducts under another continental plate at a convergent boundary?
A)Extensive crustal thickening and uplift✓
B)Formation of a deep oceanic trench
C)Widespread effusive basaltic volcanism
D)Development of a mid-ocean ridge system
💡 Explanation
When two continental plates collide, subduction is inhibited because of their similar densities, leading to intense compression and folding of the crust, which causes crustal thickening and uplift. Therefore, extensive uplift results, rather than trench formation, volcanism or a mid-ocean ridge which require oceanic crust subduction.
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