Final answer:
It is true that cultural differences, language barriers, and currency variations pose challenges for e-commerce and m-commerce merchants in the global marketplace, as globalization and technological advances increase competition and create a more complex business environment.
Step-by-step explanation:
Cultural differences, language barriers, and currency variations are indeed significant challenges that e-commerce and m-commerce merchants must address when selling to a global marketplace. This statement is true. The market revolution, technological advancements, and globalization have transformed how we define markets and conduct business. With the rise of the internet, the degree of competition has escalated, and firms need to navigate a more complex global environment. With advancements in communications technologies, consumers can order goods from anywhere, increasing competition for local businesses. Moreover, in this global marketplace, businesses must be adept in handling different languages, cultural practices, and currency exchanges to effectively reach and serve a diverse customer base.