Each hardiness zone differs by 10 degrees F, so the difference in low winter temperatures between zones 6 and 7 is 10 degrees; between zones 6 and 8, 20 degrees; between zones 6 and 9, 30 degrees, and so on.
The median annual Dentist salary is $143,918, as of July 29, 2016, with a range usually between $128,516-$168,271, however this can vary widely depending on a variety of factors.
2 [General Surgeons Earn] | How Much Money Do General Surgeons Earn? 3 [Road] | The Road to Becoming a Doctor 4 [Dentist Make] | How Much Does a Dentist Make a Week? The average hourly salary for physicians is a composite of earnings across various specialties and the number of years in practice. After medical school, residencies of at least three years provide training in a doctor's practice area, which affects earnings.