What countries have played a major role in the global spread of manufacturing and trade?

How did the europeans design the national borders of africa? why?

How does the parallax of a nearby object compare to that of an object farther away?

Alaina wants to decide whether her current cell phone plan is better than a package that another company offers. to compare the two plans, she plotted two lines on a graph, where y represented the total cost of one month’s service and x represented the megabytes of data that she used in a month. which part of the graph will represent the cost per megabyte of data used in each plan?