if two restaurants sell many of the same food items but one offers a higher level of service, the service distinction is a form of

gratitude

Explanation:

two places can be similar, but if one place goes above and beyond in hospitality and service people will always go to where they get treated better

vertical merger is the term used for the joining of two or more firms involved in different stages of producing the same good or services.

explanation:

early settlements on the subcontinent. both the indus and the ganges rivers carried rich silt from the mountains to the plains. when the rivers flooded, the silt spread over the plains and made the soil in the river valleys fertile for farming.