Surfaces on the same body are assumed to experience meteorite impacts with the same frequency. If this is true, what could account for the stark contrast in impact crater density on bordering regions of Ganymede in the photo?.

Which of the following best explains how trade enables greater specialization among producers? a. trade diversifies the market by bringing specialized goods from around the world. b. trade requires distribution networks and adds one more step to the production process. c. trade enables producers to open up new markets for their goods and services. d. trade allows people to focus on one kind of production and trade for their other needs.