A numeric number that represents the entire structure of a graph is defined to be a topological descriptor. Graph theory has been found to be a useful area of research in the direction of topological descriptors. The different physical and chemical properties of basic chemical compounds are related by main factors of topological descriptors. https://www.markbroyard.com/save-big-quest-mv40-gas-floor-fryer-40-lb-casters-natural-gas-discount-best-mega/