The southern hemisphere of the mas is dominated by the highlands and the volcanic creators which are similar to that of the moon and the northern sides are dominated by the presence of the younger and much lower elevations and complexity of the geologic records.
The mars also have the methane gas that fluctuates during the winters and its presence indicates the presence of carbon and water along with the mineral olivine and its possible that microbial life under the surface of the mars.
The presence of surgical lakes on the planet suggests that the existence of erosion and deposition over the surface and the presence of ancient drying lakebed suggest that it had a similar crust like earth.
