Global Temp Graph

1.What is on the horizontal scale of my graph? The horizontal scale is the years and every tic- mark is 20 years.
2.How many years does it show? It shows 2000 years.
3.What the Vertical scale showing? It is show the temperatures in Celsius.
4.What is the unit?It is measuring it in Celsius.
5.What is the total range shown? The total range is -0.6 degrees Celsius -  0.5 Celsius = 1.1 range.
6. It doesn't say