How can external factors hinder effective communication

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?

The organ that has two atria and one ventricle is the

The process by which liquid water changes into water vapour is called what ?