What is the order of the main layers from center to the outside of the planet earth

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?

What body of water is the second cataract of the nile river submerged under

What is the mostly tropical region in asia