The core is surrounded by a silicate mantle there are tectonic and volcanic activity in the core the core is made of metallic iron and nickel and sulfur.
There is water under the crust of mars the crust is made of volcanic rock
The mars mantle is composed of peridotite the mantle is made of basalt.
The surface of mars has been shaped by plate tectonics huge crustal plates pull apart and smash together .
Olympus mons is a volcano on mars and its the largest volcano in the SOLAR SYSTEM.
Mars is known as the red planet because iron minerals in the martian soil
Soil has nutrients such as magnesium,sodium,potassium,chloride
Mars has two moons there names are phobos and Deimos.
Mars doesn't have rings only gas giants have rings.
