Celsius and the Fahrenheit are the two crucial measures of measuring the temperature of weather, and of other objects and these both measures are used at their respective places. Well, as has been asked in the question to state the difference between 10 degree and 20 degrees in terms of Fahrenheit.
It can be easily determined by converting the 10 and 20 degrees in Fahrenheit and then calculate the difference easily between both of those values. Hereafter the conversion calculation you will get the value of 10 degrees as 50 Fahrenheit and 20 degrees as 68 Fahrenheit.
Now we need to calculate the difference between these values, which will be 18 Fahrenheit. So, to answer the question of the difference between 10-20 degrees in the Fahrenheit will be 18 Fahrenheit.