There are a number of permutations but the basic processes of the hydrologic cycle are evaporation, condensation and precipitation. Ice cores Ice cores are long cylindrical ice samples obtained by boring through ice that results from the compacting of many annual layers of snow. Over many years snow forms layers similar to rock strata. Scientists can determine annual snowfall because each year's snow forms a layer. Infrared radiation Electromagnetic radiation, which is longer than red visible light is, called infrared radiation.
Infrared radiation is synonymous with heat.
A mineral is a natural substance that is crystalline, inorganic and has a unique chemical structure. A rock may be make up of one or more minerals. A substance may have a chemical name, a rock name and also a mineral name. Limestone is a rock. Its chemical name is calcium carbonate, which indicates that it is composed of the chemical elements of calcium., carbon, and oxygen.