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This Concept Map, created with IHMC CmapTools, has information related to: Group 57 colour 2, The amount of heat absorbed by the atmosphere and the planet's surface Which plays a role in Temperature, No Runaway Greenhouse Effect Mars Thin - 95.3% CO2, 2.7% N2, None Which affects the compostion of the Atmosphere, Surface: Rocky desert Which is a product of No ongoing plate tectonic activity, No Runaway Greenhouse Effect Mars Dust, The amount of heat absorbed by the atmosphere and the planet's surface Which plays a role in Unsuitable conditions for life to evolve, No Runaway Greenhouse Effect Mars No global magnetic field. Areas of crust in southern hemisphere highly magnetised, The amount of heat absorbed by the atmosphere and the planet's surface Which plays a role in Temperature, Polar ice caps Mars Albedo = 0.15, Polar ice caps Due to it being unable to stay liquid, Hot +480 degrees C Temperature, No Runaway Greenhouse Effect Mars Average: 1.52 AU, No chemical reactions taking place Which affects the compostion of the Surface: Rocky desert, Surface Gravity (Earth = 1): 0.91 (Strong) Which dictates Escape Speed = 10.4 km/s, Albedo = 0.15 Which is determined by the compostion of the Surface: Rocky desert, No Runaway Greenhouse Effect Mars No forms of life means, Mass = 6.418 x 10(to the power of 23)Kg Average Density = 3934 Kg/m(cubed) Which decides Surface Gravity (Earth = 1): 0.38 (Weak), Why doesn't Mars have a runaway greenhouse effect? Why has Venus got no water? Venus Hot, Pressure Which has an impact on The amount of heat absorbed by the atmosphere and the planet's surface, No ongoing plate tectonic activity No new material or gases being brought to the surface No chemical reactions taking place