Why do you think the changes in birds songs are effective adaptations in the two situations discussed in the article

Which of the following statements does not describe the raccoon dog

Long ago, people who lived in coastal north africa most often interacted with

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?