Which of the following spheres of the Earth is most directly affected by earthquakes and volcanoes? O A. Atmosphere O B. Lithosphere O C. Biosphere O D. Hydrosphere​

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?