What is the meaning of rural depopulation?

The earth's internal process which drives seafloor spreading is

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?

Summary of the impact of the physical environment on settlement patterns and economic activities for ukraine