Differentiate between four key concepts-supply chain, value chain, integrated value chain and supply ecosystem.

Explanation:

A supply chain is a connected network of individuals, organizations, resources, activities, and technologies involved in the manufacture and sale of a product or service to fulfill customer orders; it starts with the delivery of raw materials and ends with the delivery of the finished product or service to the end consumer.  Value chain is a business model that describes the full range of activities needed to create a product or service, these steps involve bringing a product from conception to distribution, and everything in between.An Integrated value chain is a process that increases customer-perceived value and optimizes the efficiency of the chain through a collaborative plan shared by multiple enterprises that implement and manage the flow of goods, services and information along with the value system.A supply ecosystem consists of the elements of the supply chain and the entities that influence the goods, information and financial flows through the supply chain.

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The last one, because there is the same number of atoms (p, cl, h, and o) on both sides of the reaction.