Transportation, retailing and wholesaling industries rely heavily on?

Explanation

In the field of marketing, channels of distribution indicates routes or pathways through which goods and services flow, or more from producers to consumers. A channel of distribution is a path traced in the direct or indirect transfer of ownership of a product as it moves from producers to consumers. The transportation, retailing or wholesaling of goods wouldnt be possible without the manufacturing industry to actually transform this raw materials to consumables.