ocr: SURFACE FEATURES General Description The southern hemisphere of Marsisvery densely cratered. tisat terrain somewhat like the lunar highlands and contains craters of all sizes. nenortern. nemisphere: consists of low plains which areseparated from thesouthern highlands bya clifi whichis2to3 kmhigh. This region contains lava flows as well as other voicanic features. Windi processes havecaused dunes and 'streaking" - onthesurface: Mars has two large crustal upwarps. The Tharsis andi Elysium regions are both the size ofthe Earth's continents: Many volcanoes are located oneachofthese regions, includ ...
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