coal

 coal

= =  Formed: In ecosystems were plants remains were preserved water and mud. uses of coal: Coal is used to make electricity. Power plants burn coal to produce energy in the form of heat for water to steam. heating,cooling and lighting our homes. compacion: a layer of dead plants. features: Ripple marks. Fossils. characteristics: heavy. Organic how sorted: well Interesting facts:Coal is a fossil fuel.And is a ecosystems where plantremains were preserved by water and mud from Oxidization and biodegradation. coal is combustible coal is found in the ground by coal mining or underground mining or oen pit mining ( surface-mining)
 * colors of rock: Black or Brownish-Black rock.