How it is formed?

Your question is quite broad, so I'll provide a general explanation of formation processes across different contexts:In geology, formations occur through processes like:- Sedimentary rock formation through compaction and cementation of sediments- Igneous rock formation from cooling and solidification of magma- Metamorphic rock formation through heat and pressure transforming existing rocksIn biology, formations include:- Cell formation through cell division (mitosis and meiosis)- Organ formation through embryonic development and differentiation- Species formation through evolution and natural selectionIn chemistry, formations involve:- Compound formation through chemical bonding between elements- Crystal formation through precipitation from solutionsCould you specify what particular formation process you're asking about? The mechanisms vary dramatically depending on whether you're referring to geological features, biological structures, chemical compounds, or other contexts.