Scientists classify air masses according to their general  characteristics and latitude. Artic air masses form at around 60  degrees latitude, Polar masses are at around 40 â¦degrees latitude,  warm tropical air masses are at 15 degrees latitude and very hot  air masses form near the equator.
Average Registered Nurse Salaries. The average salary for registered nurse jobs in Memphis, TN is $45,000. Average registered nurse salaries can vary greatly due to company, location, industry, experience and benefits. This salary was calculated using the average salary for all jobs with the term registered nurse anywhere in the job listing.
Salary Range. Medical assistants in Tennessee were earning $13.04 per hour on average as of May 2009, or $27,120 per year, according to the U.S. Bureau of Labor Statistics.The middle 50 percent of those on the earnings scale were making $10.90 to $14.75 per hour.he average pay rate was $13.21 per hour in Chattanooga, $13.37 in Cleveland and $15.58 in Johnson City. Medical assistants in the Nashville-Davidson-Murfreesboro-Franklin metro area had an average pay rate of 13.70 per hour, which was closest to the national average of $14.16.