Final answer:
Product differentiation is the action a firm takes to make its products unique or different from competitors. It can enhance versatility, effectiveness, convenience, and safety.
Step-by-step explanation:
The correct answer is B. Product differentiation.
Product differentiation refers to the actions that a firm takes to make its products unique or different from those of its competitors. These actions can include physical aspects of the product, such as design or features, as well as intangible aspects like branding or customer support.
By differentiating their products, companies can enhance versatility, effectiveness, convenience, and safety, which can give them a competitive edge in the market.