The Overall Geography of Mars Can Be Best Summarized as

question 44

Multiple Choice

The overall geography of Mars can be best summarized as

• A) major volcanoes in the northern hemisphere,extensively cratered plains in the southern hemisphere,and the hemispheres separated by one major valley system.
• B) moving lithospheric plates whose motions have produced long,folded mountain chains,deep subduction trenches,and several large rift valleys.
• C) smooth plains where continuous resurfacing by ongoing volcanic activity has hidden older impact craters and other details.
• D) mostly rolling plains,with several volcanoes on two continent-sized uplands.

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