Here are potential answers to the questions: 1. Two differences between a physical product and service are: - A product can be seen, held, and stored while a service is intangible. - Quality of a product can be inspected before purchase but quality of a service is experienced during/after consumption. 2. Three examples of international service industries are: - Tourism and hospitality - Financial services like banking and insurance - Transportation like airlines and shipping 3. Three challenges in international marketing of services are: - Ensuring consistent quality and control of service delivery across cultures - Addressing cultural sensitivities as services are often experienced personally - Overcoming barriers to trade like restrictions on