What is wind shear? a. when wind is moving extremely fast in one direction b. when wind is moving with a circular motion c. when wind direction or wind speed changes with altitude d. when two winds are moving very quickly upwards?

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?