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| Description: Mars Surface Numerous large volcanoes – largest is Mons Olympus Less-abundant impact craters Tectonically dead Several canyons Some larger than Earth’s Grand Canyon Valles Marineras – the largest canyon Picture Stats: Views: 602 Filesize: 2.12MB Height: 958 Width: 957 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39872 |